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llvm / llvm-project / llvm / cc636a4be02240d9b58e3081018b6535ba0af2d3 / . / test / Transforms / LoopVectorize / consecutive-ptr-uniforms.ll
blob: 1fc4a017f9ec53da9220c62ba9718e7a4506a679 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --prefix-filecheck-ir-name unnamed --version 5
; RUN: opt %s -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 | FileCheck %s
; RUN: opt %s -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -enable-interleaved-mem-accesses | FileCheck %s --check-prefix=INTER
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
%pair = type { i32, i32 }
; Check that a forward consecutive pointer is recognized as uniform and remains
; uniform after vectorization.
define i32 @consecutive_ptr_forward(ptr %a, i64 %n) {
; CHECK-LABEL: define i32 @consecutive_ptr_forward(
; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP1:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDEX]]
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP0]], align 8
; CHECK-NEXT: [[TMP1]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP1]])
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]]
; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; CHECK-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]]
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP3]], %[[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[UNNAMEDTMP4]]
;
; INTER-LABEL: define i32 @consecutive_ptr_forward(
; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP1:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDEX]]
; INTER-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP0]], align 8
; INTER-NEXT: [[TMP1]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP1]])
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]]
; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; INTER-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]]
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP3:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP3]], %[[MIDDLE_BLOCK]] ]
; INTER-NEXT: ret i32 [[UNNAMEDTMP4]]
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
%tmp0 = phi i32 [ %tmp3, %for.body ], [ 0, %entry ]
%tmp1 = getelementptr inbounds i32, ptr %a, i64 %i
%tmp2 = load i32, ptr %tmp1, align 8
%tmp3 = add i32 %tmp0, %tmp2
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
%tmp4 = phi i32 [ %tmp3, %for.body ]
ret i32 %tmp4
}
; Check that a reverse consecutive pointer is recognized as uniform and remains
; uniform after vectorization.
define i32 @consecutive_ptr_reverse(ptr %a, i64 %n) {
; CHECK-LABEL: define i32 @consecutive_ptr_reverse(
; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1
; CHECK-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0)
; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]]
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]]
; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]]
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[OFFSET_IDX]]
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP8]], i32 -3
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP4]], align 8
; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i32> [[WIDE_LOAD]], <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: [[TMP5]] = add <4 x i32> [[VEC_PHI]], [[REVERSE]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ]
; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP7]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]]
; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; CHECK-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]]
; CHECK-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1
; CHECK-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP7]], %[[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[UNNAMEDTMP4]]
;
; INTER-LABEL: define i32 @consecutive_ptr_reverse(
; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1
; INTER-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0)
; INTER-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]]
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]]
; INTER-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]]
; INTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[OFFSET_IDX]]
; INTER-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i32 0
; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP8]], i32 -3
; INTER-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP4]], align 8
; INTER-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i32> [[WIDE_LOAD]], <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; INTER-NEXT: [[TMP5]] = add <4 x i32> [[VEC_PHI]], [[REVERSE]]
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ]
; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP7]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I]]
; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; INTER-NEXT: [[UNNAMEDTMP3]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP2]]
; INTER-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1
; INTER-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP5:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = phi i32 [ [[UNNAMEDTMP3]], %[[FOR_BODY]] ], [ [[TMP7]], %[[MIDDLE_BLOCK]] ]
; INTER-NEXT: ret i32 [[UNNAMEDTMP4]]
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ %n, %entry ]
%tmp0 = phi i32 [ %tmp3, %for.body ], [ 0, %entry ]
%tmp1 = getelementptr inbounds i32, ptr %a, i64 %i
%tmp2 = load i32, ptr %tmp1, align 8
%tmp3 = add i32 %tmp0, %tmp2
%i.next = add nsw i64 %i, -1
%cond = icmp sgt i64 %i.next, 0
br i1 %cond, label %for.body, label %for.end
for.end:
%tmp4 = phi i32 [ %tmp3, %for.body ]
ret i32 %tmp4
}
; Check that a consecutive-like pointer used by a forward interleaved group is
; recognized as uniform and remains uniform after vectorization. When
; interleaved memory accesses aren't enabled, the pointer should not be
; recognized as uniform, and it should not be uniform after vectorization.
define i32 @interleaved_access_forward(ptr %p, i64 %n) {
; CHECK-LABEL: define i32 @interleaved_access_forward(
; CHECK-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP28:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX1]], 1
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX1]], 2
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX1]], 3
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[INDEX]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP0]], i32 0
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP1]], i32 0
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP2]], i32 0
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[INDEX]], i32 1
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP0]], i32 1
; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP1]], i32 1
; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP2]], i32 1
; CHECK-NEXT: [[TMP11:%.*]] = load i32, ptr [[TMP3]], align 8
; CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[TMP4]], align 8
; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[TMP5]], align 8
; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[TMP6]], align 8
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> poison, i32 [[TMP11]], i32 0
; CHECK-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP12]], i32 1
; CHECK-NEXT: [[TMP23:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP13]], i32 2
; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i32> [[TMP23]], i32 [[TMP14]], i32 3
; CHECK-NEXT: [[TMP19:%.*]] = load i32, ptr [[TMP7]], align 8
; CHECK-NEXT: [[TMP20:%.*]] = load i32, ptr [[TMP8]], align 8
; CHECK-NEXT: [[TMP21:%.*]] = load i32, ptr [[TMP9]], align 8
; CHECK-NEXT: [[TMP22:%.*]] = load i32, ptr [[TMP10]], align 8
; CHECK-NEXT: [[TMP24:%.*]] = insertelement <4 x i32> poison, i32 [[TMP19]], i32 0
; CHECK-NEXT: [[TMP25:%.*]] = insertelement <4 x i32> [[TMP24]], i32 [[TMP20]], i32 1
; CHECK-NEXT: [[TMP31:%.*]] = insertelement <4 x i32> [[TMP25]], i32 [[TMP21]], i32 2
; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> [[TMP31]], i32 [[TMP22]], i32 3
; CHECK-NEXT: [[TMP27:%.*]] = add <4 x i32> [[TMP18]], [[TMP26]]
; CHECK-NEXT: [[TMP28]] = add <4 x i32> [[VEC_PHI]], [[TMP27]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4
; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP29]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[TMP30:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP28]])
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP30]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0
; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1
; CHECK-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8
; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]]
; CHECK-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]]
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP30]], %[[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[UNNAMEDTMP14]]
;
; INTER-LABEL: define i32 @interleaved_access_forward(
; INTER-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP2:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[INDEX]], i32 0
; INTER-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP0]], align 8
; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; INTER-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; INTER-NEXT: [[TMP1:%.*]] = add <4 x i32> [[STRIDED_VEC]], [[STRIDED_VEC1]]
; INTER-NEXT: [[TMP2]] = add <4 x i32> [[VEC_PHI]], [[TMP1]]
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP2]])
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP4]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0
; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1
; INTER-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8
; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]]
; INTER-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]]
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP7:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP4]], %[[MIDDLE_BLOCK]] ]
; INTER-NEXT: ret i32 [[UNNAMEDTMP14]]
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
%tmp0 = phi i32 [ %tmp6, %for.body ], [ 0, %entry ]
%tmp1 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0
%tmp2 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 1
%tmp3 = load i32, ptr %tmp1, align 8
%tmp4 = load i32, ptr %tmp2, align 8
%tmp5 = add i32 %tmp3, %tmp4
%tmp6 = add i32 %tmp0, %tmp5
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
%tmp14 = phi i32 [ %tmp6, %for.body ]
ret i32 %tmp14
}
; Check that a consecutive-like pointer used by a reverse interleaved group is
; recognized as uniform and remains uniform after vectorization. When
; interleaved memory accesses aren't enabled, the pointer should not be
; recognized as uniform, and it should not be uniform after vectorization.
define i32 @interleaved_access_reverse(ptr %p, i64 %n) {
; CHECK-LABEL: define i32 @interleaved_access_reverse(
; CHECK-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1
; CHECK-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0)
; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]]
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]]
; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP31:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]]
; CHECK-NEXT: [[TMP18:%.*]] = add i64 [[OFFSET_IDX]], 0
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], -1
; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], -2
; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[OFFSET_IDX]], -3
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[TMP18]], i32 0
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP3]], i32 0
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP4]], i32 0
; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP5]], i32 0
; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP18]], i32 1
; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP3]], i32 1
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP4]], i32 1
; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP5]], i32 1
; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[TMP6]], align 8
; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[TMP7]], align 8
; CHECK-NEXT: [[TMP16:%.*]] = load i32, ptr [[TMP8]], align 8
; CHECK-NEXT: [[TMP17:%.*]] = load i32, ptr [[TMP9]], align 8
; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x i32> poison, i32 [[TMP14]], i32 0
; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP15]], i32 1
; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> [[TMP20]], i32 [[TMP16]], i32 2
; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP26]], i32 [[TMP17]], i32 3
; CHECK-NEXT: [[TMP22:%.*]] = load i32, ptr [[TMP10]], align 8
; CHECK-NEXT: [[TMP23:%.*]] = load i32, ptr [[TMP11]], align 8
; CHECK-NEXT: [[TMP24:%.*]] = load i32, ptr [[TMP12]], align 8
; CHECK-NEXT: [[TMP25:%.*]] = load i32, ptr [[TMP13]], align 8
; CHECK-NEXT: [[TMP27:%.*]] = insertelement <4 x i32> poison, i32 [[TMP22]], i32 0
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <4 x i32> [[TMP27]], i32 [[TMP23]], i32 1
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP24]], i32 2
; CHECK-NEXT: [[TMP29:%.*]] = insertelement <4 x i32> [[TMP34]], i32 [[TMP25]], i32 3
; CHECK-NEXT: [[TMP30:%.*]] = add <4 x i32> [[TMP21]], [[TMP29]]
; CHECK-NEXT: [[TMP31]] = add <4 x i32> [[VEC_PHI]], [[TMP30]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP32:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP32]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[TMP33:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP31]])
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ]
; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP33]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0
; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1
; CHECK-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8
; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]]
; CHECK-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]]
; CHECK-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1
; CHECK-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP33]], %[[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[UNNAMEDTMP14]]
;
; INTER-LABEL: define i32 @interleaved_access_reverse(
; INTER-SAME: ptr [[P:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[TMP0:%.*]] = add nsw i64 [[N]], -1
; INTER-NEXT: [[SMIN:%.*]] = call i64 @llvm.smin.i64(i64 [[TMP0]], i64 0)
; INTER-NEXT: [[TMP1:%.*]] = sub i64 [[N]], [[SMIN]]
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]]
; INTER-NEXT: [[TMP2:%.*]] = sub i64 [[N]], [[N_VEC]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP10:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[OFFSET_IDX:%.*]] = sub i64 [[N]], [[INDEX]]
; INTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[OFFSET_IDX]], i32 0
; INTER-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i64 0
; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP5]], i64 -6
; INTER-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP4]], align 8
; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; INTER-NEXT: [[VEC_PHI:%.*]] = shufflevector <4 x i32> [[STRIDED_VEC]], <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; INTER-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
; INTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i32> [[STRIDED_VEC1]], <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; INTER-NEXT: [[TMP7:%.*]] = add <4 x i32> [[VEC_PHI]], [[TMP6]]
; INTER-NEXT: [[TMP10]] = add <4 x i32> [[VEC_PHI1]], [[TMP7]]
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP10]])
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[N]], %[[ENTRY]] ]
; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP9]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP6:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0
; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 1
; INTER-NEXT: [[UNNAMEDTMP3:%.*]] = load i32, ptr [[UNNAMEDTMP1]], align 8
; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP2]], align 8
; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = add i32 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]]
; INTER-NEXT: [[UNNAMEDTMP6]] = add i32 [[UNNAMEDTMP0]], [[UNNAMEDTMP5]]
; INTER-NEXT: [[I_NEXT]] = add nsw i64 [[I]], -1
; INTER-NEXT: [[COND:%.*]] = icmp sgt i64 [[I_NEXT]], 0
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP9:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: [[UNNAMEDTMP14:%.*]] = phi i32 [ [[UNNAMEDTMP6]], %[[FOR_BODY]] ], [ [[TMP9]], %[[MIDDLE_BLOCK]] ]
; INTER-NEXT: ret i32 [[UNNAMEDTMP14]]
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ %n, %entry ]
%tmp0 = phi i32 [ %tmp6, %for.body ], [ 0, %entry ]
%tmp1 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0
%tmp2 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 1
%tmp3 = load i32, ptr %tmp1, align 8
%tmp4 = load i32, ptr %tmp2, align 8
%tmp5 = add i32 %tmp3, %tmp4
%tmp6 = add i32 %tmp0, %tmp5
%i.next = add nsw i64 %i, -1
%cond = icmp sgt i64 %i.next, 0
br i1 %cond, label %for.body, label %for.end
for.end:
%tmp14 = phi i32 [ %tmp6, %for.body ]
ret i32 %tmp14
}
; Check that a consecutive-like pointer used by a forward interleaved group and
; scalarized store is not recognized as uniform and is not uniform after
; vectorization. The store is scalarized because it's in a predicated block.
; Even though the load in this example is vectorized and only uses the pointer
; as if it were uniform, the store is scalarized, making the pointer
; non-uniform.
define void @predicated_store(ptr %p, i32 %x, i64 %n) {
; CHECK-LABEL: define void @predicated_store(
; CHECK-SAME: ptr [[P:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE6:.*]] ]
; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
; CHECK-NEXT: [[TMP12:%.*]] = add i64 [[INDEX]], 2
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[TMP5]], i32 0
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP1]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP12]], i32 0
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP3]], i32 0
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <4 x ptr> poison, ptr [[TMP0]], i32 0
; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x ptr> [[TMP13]], ptr [[TMP2]], i32 1
; CHECK-NEXT: [[TMP25:%.*]] = insertelement <4 x ptr> [[TMP19]], ptr [[TMP4]], i32 2
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x ptr> [[TMP25]], ptr [[TMP6]], i32 3
; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[TMP0]], align 8
; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[TMP2]], align 8
; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[TMP4]], align 8
; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[TMP6]], align 8
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> poison, i32 [[TMP7]], i32 0
; CHECK-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP8]], i32 1
; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP9]], i32 2
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP10]], i32 3
; CHECK-NEXT: [[TMP15:%.*]] = icmp eq <4 x i32> [[TMP14]], [[BROADCAST_SPLAT]]
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <4 x i1> [[TMP15]], i32 0
; CHECK-NEXT: br i1 [[TMP21]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; CHECK: [[PRED_STORE_IF]]:
; CHECK-NEXT: store i32 [[TMP7]], ptr [[TMP0]], align 8
; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE]]
; CHECK: [[PRED_STORE_CONTINUE]]:
; CHECK-NEXT: [[TMP22:%.*]] = extractelement <4 x i1> [[TMP15]], i32 1
; CHECK-NEXT: br i1 [[TMP22]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2:.*]]
; CHECK: [[PRED_STORE_IF1]]:
; CHECK-NEXT: store i32 [[TMP8]], ptr [[TMP2]], align 8
; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE2]]
; CHECK: [[PRED_STORE_CONTINUE2]]:
; CHECK-NEXT: [[TMP23:%.*]] = extractelement <4 x i1> [[TMP15]], i32 2
; CHECK-NEXT: br i1 [[TMP23]], label %[[PRED_STORE_IF3:.*]], label %[[PRED_STORE_CONTINUE4:.*]]
; CHECK: [[PRED_STORE_IF3]]:
; CHECK-NEXT: store i32 [[TMP9]], ptr [[TMP4]], align 8
; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE4]]
; CHECK: [[PRED_STORE_CONTINUE4]]:
; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i1> [[TMP15]], i32 3
; CHECK-NEXT: br i1 [[TMP24]], label %[[PRED_STORE_IF5:.*]], label %[[PRED_STORE_CONTINUE6]]
; CHECK: [[PRED_STORE_IF5]]:
; CHECK-NEXT: store i32 [[TMP10]], ptr [[TMP6]], align 8
; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE6]]
; CHECK: [[PRED_STORE_CONTINUE6]]:
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP20]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[IF_MERGE:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[UNNAMEDTMP0]], align 8
; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp eq i32 [[UNNAMEDTMP1]], [[X]]
; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[IF_THEN:.*]], label %[[IF_MERGE]]
; CHECK: [[IF_THEN]]:
; CHECK-NEXT: store i32 [[UNNAMEDTMP1]], ptr [[UNNAMEDTMP0]], align 8
; CHECK-NEXT: br label %[[IF_MERGE]]
; CHECK: [[IF_MERGE]]:
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @predicated_store(
; INTER-SAME: ptr [[P:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
; INTER-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 4, i64 [[N_MOD_VF]]
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[TMP1]]
; INTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0
; INTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE6:.*]] ]
; INTER-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P]], i64 [[INDEX]], i32 0
; INTER-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, ptr [[TMP2]], align 8
; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
; INTER-NEXT: [[TMP3:%.*]] = icmp eq <4 x i32> [[STRIDED_VEC]], [[BROADCAST_SPLAT]]
; INTER-NEXT: [[TMP4:%.*]] = extractelement <4 x i1> [[TMP3]], i32 0
; INTER-NEXT: br i1 [[TMP4]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; INTER: [[PRED_STORE_IF]]:
; INTER-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], 0
; INTER-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP7]], i32 0
; INTER-NEXT: [[TMP6:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 0
; INTER-NEXT: store i32 [[TMP6]], ptr [[TMP5]], align 8
; INTER-NEXT: br label %[[PRED_STORE_CONTINUE]]
; INTER: [[PRED_STORE_CONTINUE]]:
; INTER-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP3]], i32 1
; INTER-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2:.*]]
; INTER: [[PRED_STORE_IF1]]:
; INTER-NEXT: [[TMP11:%.*]] = add i64 [[INDEX]], 1
; INTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP11]], i32 0
; INTER-NEXT: [[TMP10:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 1
; INTER-NEXT: store i32 [[TMP10]], ptr [[TMP9]], align 8
; INTER-NEXT: br label %[[PRED_STORE_CONTINUE2]]
; INTER: [[PRED_STORE_CONTINUE2]]:
; INTER-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP3]], i32 2
; INTER-NEXT: br i1 [[TMP12]], label %[[PRED_STORE_IF3:.*]], label %[[PRED_STORE_CONTINUE4:.*]]
; INTER: [[PRED_STORE_IF3]]:
; INTER-NEXT: [[TMP15:%.*]] = add i64 [[INDEX]], 2
; INTER-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP15]], i32 0
; INTER-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 2
; INTER-NEXT: store i32 [[TMP14]], ptr [[TMP13]], align 8
; INTER-NEXT: br label %[[PRED_STORE_CONTINUE4]]
; INTER: [[PRED_STORE_CONTINUE4]]:
; INTER-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP3]], i32 3
; INTER-NEXT: br i1 [[TMP16]], label %[[PRED_STORE_IF5:.*]], label %[[PRED_STORE_CONTINUE6]]
; INTER: [[PRED_STORE_IF5]]:
; INTER-NEXT: [[TMP20:%.*]] = add i64 [[INDEX]], 3
; INTER-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[TMP20]], i32 0
; INTER-NEXT: [[TMP18:%.*]] = extractelement <4 x i32> [[STRIDED_VEC]], i32 3
; INTER-NEXT: store i32 [[TMP18]], ptr [[TMP17]], align 8
; INTER-NEXT: br label %[[PRED_STORE_CONTINUE6]]
; INTER: [[PRED_STORE_CONTINUE6]]:
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP19]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: br label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[IF_MERGE:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P]], i64 [[I]], i32 0
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[UNNAMEDTMP0]], align 8
; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = icmp eq i32 [[UNNAMEDTMP1]], [[X]]
; INTER-NEXT: br i1 [[UNNAMEDTMP2]], label %[[IF_THEN:.*]], label %[[IF_MERGE]]
; INTER: [[IF_THEN]]:
; INTER-NEXT: store i32 [[UNNAMEDTMP1]], ptr [[UNNAMEDTMP0]], align 8
; INTER-NEXT: br label %[[IF_MERGE]]
; INTER: [[IF_MERGE]]:
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END:.*]], !llvm.loop [[LOOP11:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: ret void
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %if.merge ], [ 0, %entry ]
%tmp0 = getelementptr inbounds %pair, ptr %p, i64 %i, i32 0
%tmp1 = load i32, ptr %tmp0, align 8
%tmp2 = icmp eq i32 %tmp1, %x
br i1 %tmp2, label %if.then, label %if.merge
if.then:
store i32 %tmp1, ptr %tmp0, align 8
br label %if.merge
if.merge:
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
ret void
}
; Check that a consecutive pointer used by a scalarized store is not recognized
; as uniform and is not uniform after vectorization. The store is scalarized
; because the stored type may required padding.
define void @irregular_type(ptr %a, i64 %n) {
; CHECK-LABEL: define void @irregular_type(
; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX1]], 1
; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX1]], 2
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX1]], 3
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[INDEX]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP5]]
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP3]]
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP0]], align 16
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP2]], align 16
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP4]], align 16
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP6]], align 16
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4
; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[I]]
; CHECK-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[UNNAMEDTMP1]], align 16
; CHECK-NEXT: [[I_NEXT]] = add i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @irregular_type(
; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0
; INTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX1]], 1
; INTER-NEXT: [[TMP5:%.*]] = add i64 [[INDEX1]], 2
; INTER-NEXT: [[TMP3:%.*]] = add i64 [[INDEX1]], 3
; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[INDEX]]
; INTER-NEXT: [[TMP2:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP1]]
; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP5]]
; INTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[TMP3]]
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP0]], align 16
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP2]], align 16
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP4]], align 16
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[TMP6]], align 16
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4
; INTER-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = getelementptr inbounds x86_fp80, ptr [[A]], i64 [[I]]
; INTER-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[UNNAMEDTMP1]], align 16
; INTER-NEXT: [[I_NEXT]] = add i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: ret void
;
entry:
br label %for.body
for.body:
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
%tmp0 = sitofp i32 1 to x86_fp80
%tmp1 = getelementptr inbounds x86_fp80, ptr %a, i64 %i
store x86_fp80 %tmp0, ptr %tmp1, align 16
%i.next = add i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
ret void
}
; Check that a pointer induction variable is recognized as uniform and remains
; uniform after vectorization.
define void @pointer_iv_uniform(ptr %a, i32 %x, i64 %n) {
; CHECK-LABEL: define void @pointer_iv_uniform(
; CHECK-SAME: ptr [[A:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 4
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4
; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]]
; CHECK-NEXT: store <4 x i32> [[BROADCAST_SPLAT]], ptr [[NEXT_GEP]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP03:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ]
; CHECK-NEXT: store i32 [[X]], ptr [[P]], align 8
; CHECK-NEXT: [[UNNAMEDTMP03]] = getelementptr inbounds i32, ptr [[P]], i32 1
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP15:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @pointer_iv_uniform(
; INTER-SAME: ptr [[A:%.*]], i32 [[X:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; INTER-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 4
; INTER-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; INTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i64 0
; INTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4
; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]]
; INTER-NEXT: store <4 x i32> [[BROADCAST_SPLAT]], ptr [[NEXT_GEP]], align 8
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP03:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ]
; INTER-NEXT: store i32 [[X]], ptr [[P]], align 8
; INTER-NEXT: [[UNNAMEDTMP03]] = getelementptr inbounds i32, ptr [[P]], i32 1
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP15:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: ret void
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
%p = phi ptr [ %tmp03, %for.body ], [ %a, %entry ]
store i32 %x, ptr %p, align 8
%tmp03 = getelementptr inbounds i32, ptr %p, i32 1
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
ret void
}
; Check that a pointer induction variable with a non-uniform user is not
; recognized as uniform and is not uniform after vectorization. The pointer
; induction variable is used by getelementptr instructions that are non-uniform
; due to scalarization of the stores.
define void @pointer_iv_non_uniform_0(ptr %a, i64 %n) {
; CHECK-LABEL: define void @pointer_iv_non_uniform_0(
; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 16
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX1]], 16
; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX1]], 32
; CHECK-NEXT: [[TMP9:%.*]] = add i64 [[OFFSET_IDX1]], 48
; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]]
; CHECK-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP3]]
; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP4]]
; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP9]]
; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[NEXT_GEP]], align 8
; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[NEXT_GEP1]], align 8
; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[NEXT_GEP2]], align 8
; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[NEXT_GEP3]], align 8
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i32 0
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> [[TMP10]], i32 [[TMP6]], i32 1
; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP7]], i32 2
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x i32> [[TMP21]], i32 [[TMP8]], i32 3
; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 1
; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 1
; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 1
; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 1
; CHECK-NEXT: [[TMP17:%.*]] = load i32, ptr [[TMP13]], align 8
; CHECK-NEXT: [[TMP18:%.*]] = load i32, ptr [[TMP14]], align 8
; CHECK-NEXT: [[TMP19:%.*]] = load i32, ptr [[TMP15]], align 8
; CHECK-NEXT: [[TMP20:%.*]] = load i32, ptr [[TMP16]], align 8
; CHECK-NEXT: [[TMP22:%.*]] = insertelement <4 x i32> poison, i32 [[TMP17]], i32 0
; CHECK-NEXT: [[TMP23:%.*]] = insertelement <4 x i32> [[TMP22]], i32 [[TMP18]], i32 1
; CHECK-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP23]], i32 [[TMP19]], i32 2
; CHECK-NEXT: [[TMP40:%.*]] = insertelement <4 x i32> [[TMP37]], i32 [[TMP20]], i32 3
; CHECK-NEXT: [[TMP41:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 4
; CHECK-NEXT: [[TMP42:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 4
; CHECK-NEXT: [[TMP43:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 4
; CHECK-NEXT: [[TMP44:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 4
; CHECK-NEXT: [[TMP45:%.*]] = load i32, ptr [[TMP41]], align 8
; CHECK-NEXT: [[TMP46:%.*]] = load i32, ptr [[TMP42]], align 8
; CHECK-NEXT: [[TMP47:%.*]] = load i32, ptr [[TMP43]], align 8
; CHECK-NEXT: [[TMP56:%.*]] = load i32, ptr [[TMP44]], align 8
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <4 x i32> poison, i32 [[TMP45]], i32 0
; CHECK-NEXT: [[TMP35:%.*]] = insertelement <4 x i32> [[TMP34]], i32 [[TMP46]], i32 1
; CHECK-NEXT: [[TMP36:%.*]] = insertelement <4 x i32> [[TMP35]], i32 [[TMP47]], i32 2
; CHECK-NEXT: [[TMP24:%.*]] = insertelement <4 x i32> [[TMP36]], i32 [[TMP56]], i32 3
; CHECK-NEXT: [[TMP25:%.*]] = sub <4 x i32> [[TMP24]], [[TMP12]]
; CHECK-NEXT: [[TMP39:%.*]] = sub <4 x i32> [[TMP40]], [[TMP40]]
; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 2
; CHECK-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 2
; CHECK-NEXT: [[TMP28:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 2
; CHECK-NEXT: [[TMP29:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 2
; CHECK-NEXT: [[TMP30:%.*]] = extractelement <4 x i32> [[TMP25]], i32 0
; CHECK-NEXT: store i32 [[TMP30]], ptr [[TMP26]], align 8
; CHECK-NEXT: [[TMP31:%.*]] = extractelement <4 x i32> [[TMP25]], i32 1
; CHECK-NEXT: store i32 [[TMP31]], ptr [[TMP27]], align 8
; CHECK-NEXT: [[TMP32:%.*]] = extractelement <4 x i32> [[TMP25]], i32 2
; CHECK-NEXT: store i32 [[TMP32]], ptr [[TMP28]], align 8
; CHECK-NEXT: [[TMP33:%.*]] = extractelement <4 x i32> [[TMP25]], i32 3
; CHECK-NEXT: store i32 [[TMP33]], ptr [[TMP29]], align 8
; CHECK-NEXT: [[TMP48:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 3
; CHECK-NEXT: [[TMP49:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 3
; CHECK-NEXT: [[TMP50:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 3
; CHECK-NEXT: [[TMP51:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 3
; CHECK-NEXT: [[TMP52:%.*]] = extractelement <4 x i32> [[TMP39]], i32 0
; CHECK-NEXT: store i32 [[TMP52]], ptr [[TMP48]], align 8
; CHECK-NEXT: [[TMP53:%.*]] = extractelement <4 x i32> [[TMP39]], i32 1
; CHECK-NEXT: store i32 [[TMP53]], ptr [[TMP49]], align 8
; CHECK-NEXT: [[TMP54:%.*]] = extractelement <4 x i32> [[TMP39]], i32 2
; CHECK-NEXT: store i32 [[TMP54]], ptr [[TMP50]], align 8
; CHECK-NEXT: [[TMP55:%.*]] = extractelement <4 x i32> [[TMP39]], i32 3
; CHECK-NEXT: store i32 [[TMP55]], ptr [[TMP51]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP38:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP38]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP00:%.*]] = load i32, ptr [[P]], align 8
; CHECK-NEXT: [[UNNAMEDTMP03:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 1
; CHECK-NEXT: [[UNNAMEDTMP04:%.*]] = load i32, ptr [[UNNAMEDTMP03]], align 8
; CHECK-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 4
; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP3]], align 8
; CHECK-NEXT: [[UNNAMEDTMP05:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 5
; CHECK-NEXT: [[UNNAMEDTMP06:%.*]] = load i32, ptr [[UNNAMEDTMP05]], align 8
; CHECK-NEXT: [[UNNAMEDTMP07:%.*]] = sub i32 [[UNNAMEDTMP4]], [[UNNAMEDTMP00]]
; CHECK-NEXT: [[UNNAMEDTMP08:%.*]] = sub i32 [[UNNAMEDTMP04]], [[UNNAMEDTMP04]]
; CHECK-NEXT: [[UNNAMEDTMP09:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 2
; CHECK-NEXT: store i32 [[UNNAMEDTMP07]], ptr [[UNNAMEDTMP09]], align 8
; CHECK-NEXT: [[UNNAMEDTMP10:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 3
; CHECK-NEXT: store i32 [[UNNAMEDTMP08]], ptr [[UNNAMEDTMP10]], align 8
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP17:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @pointer_iv_non_uniform_0(
; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
; INTER-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 4, i64 [[N_MOD_VF]]
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[TMP1]]
; INTER-NEXT: [[TMP2:%.*]] = mul i64 [[N_VEC]], 16
; INTER-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP2]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16
; INTER-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0
; INTER-NEXT: [[TMP5:%.*]] = add i64 [[OFFSET_IDX1]], 16
; INTER-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX1]], 32
; INTER-NEXT: [[TMP8:%.*]] = add i64 [[OFFSET_IDX1]], 48
; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]]
; INTER-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP5]]
; INTER-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP6]]
; INTER-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP8]]
; INTER-NEXT: [[WIDE_VEC:%.*]] = load <16 x i32>, ptr [[NEXT_GEP]], align 8
; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <16 x i32> [[WIDE_VEC]], <16 x i32> poison, <4 x i32> <i32 0, i32 4, i32 8, i32 12>
; INTER-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <16 x i32> [[WIDE_VEC]], <16 x i32> poison, <4 x i32> <i32 1, i32 5, i32 9, i32 13>
; INTER-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 4
; INTER-NEXT: [[WIDE_VEC5:%.*]] = load <16 x i32>, ptr [[TMP7]], align 8
; INTER-NEXT: [[STRIDED_VEC6:%.*]] = shufflevector <16 x i32> [[WIDE_VEC5]], <16 x i32> poison, <4 x i32> <i32 0, i32 4, i32 8, i32 12>
; INTER-NEXT: [[STRIDED_VEC7:%.*]] = shufflevector <16 x i32> [[WIDE_VEC5]], <16 x i32> poison, <4 x i32> <i32 1, i32 5, i32 9, i32 13>
; INTER-NEXT: [[TMP17:%.*]] = sub <4 x i32> [[STRIDED_VEC6]], [[STRIDED_VEC]]
; INTER-NEXT: [[TMP18:%.*]] = sub <4 x i32> [[STRIDED_VEC4]], [[STRIDED_VEC4]]
; INTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 2
; INTER-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 2
; INTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 2
; INTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 2
; INTER-NEXT: [[TMP13:%.*]] = extractelement <4 x i32> [[TMP17]], i32 0
; INTER-NEXT: store i32 [[TMP13]], ptr [[TMP9]], align 8
; INTER-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[TMP17]], i32 1
; INTER-NEXT: store i32 [[TMP14]], ptr [[TMP10]], align 8
; INTER-NEXT: [[TMP15:%.*]] = extractelement <4 x i32> [[TMP17]], i32 2
; INTER-NEXT: store i32 [[TMP15]], ptr [[TMP11]], align 8
; INTER-NEXT: [[TMP16:%.*]] = extractelement <4 x i32> [[TMP17]], i32 3
; INTER-NEXT: store i32 [[TMP16]], ptr [[TMP12]], align 8
; INTER-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP]], i32 3
; INTER-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP1]], i32 3
; INTER-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP2]], i32 3
; INTER-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, ptr [[NEXT_GEP3]], i32 3
; INTER-NEXT: [[TMP23:%.*]] = extractelement <4 x i32> [[TMP18]], i32 0
; INTER-NEXT: store i32 [[TMP23]], ptr [[TMP19]], align 8
; INTER-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[TMP18]], i32 1
; INTER-NEXT: store i32 [[TMP24]], ptr [[TMP20]], align 8
; INTER-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[TMP18]], i32 2
; INTER-NEXT: store i32 [[TMP25]], ptr [[TMP27]], align 8
; INTER-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[TMP18]], i32 3
; INTER-NEXT: store i32 [[TMP26]], ptr [[TMP22]], align 8
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP21]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: br label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: [[BC_RESUME_VAL8:%.*]] = phi ptr [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL8]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP00:%.*]] = load i32, ptr [[P]], align 8
; INTER-NEXT: [[UNNAMEDTMP03:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 1
; INTER-NEXT: [[UNNAMEDTMP04:%.*]] = load i32, ptr [[UNNAMEDTMP03]], align 8
; INTER-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 4
; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i32, ptr [[UNNAMEDTMP3]], align 8
; INTER-NEXT: [[UNNAMEDTMP05:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 5
; INTER-NEXT: [[UNNAMEDTMP06:%.*]] = load i32, ptr [[UNNAMEDTMP05]], align 8
; INTER-NEXT: [[UNNAMEDTMP07:%.*]] = sub i32 [[UNNAMEDTMP4]], [[UNNAMEDTMP00]]
; INTER-NEXT: [[UNNAMEDTMP08:%.*]] = sub i32 [[UNNAMEDTMP04]], [[UNNAMEDTMP04]]
; INTER-NEXT: [[UNNAMEDTMP09:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 2
; INTER-NEXT: store i32 [[UNNAMEDTMP07]], ptr [[UNNAMEDTMP09]], align 8
; INTER-NEXT: [[UNNAMEDTMP10:%.*]] = getelementptr inbounds i32, ptr [[P]], i32 3
; INTER-NEXT: store i32 [[UNNAMEDTMP08]], ptr [[UNNAMEDTMP10]], align 8
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END:.*]], !llvm.loop [[LOOP17:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: ret void
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
%p = phi ptr [ %tmp03, %for.body ], [ %a, %entry ]
%tmp00 = load i32, ptr %p, align 8
%tmp01 = getelementptr inbounds i32, ptr %p, i32 1
%tmp02 = load i32, ptr %tmp01, align 8
%tmp03 = getelementptr inbounds i32, ptr %p, i32 4
%tmp04 = load i32, ptr %tmp03, align 8
%tmp05 = getelementptr inbounds i32, ptr %p, i32 5
%tmp06 = load i32, ptr %tmp05, align 8
%tmp07 = sub i32 %tmp04, %tmp00
%tmp08 = sub i32 %tmp02, %tmp02
%tmp09 = getelementptr inbounds i32, ptr %p, i32 2
store i32 %tmp07, ptr %tmp09, align 8
%tmp10 = getelementptr inbounds i32, ptr %p, i32 3
store i32 %tmp08, ptr %tmp10, align 8
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
ret void
}
; Check that a pointer induction variable with a non-uniform user is not
; recognized as uniform and is not uniform after vectorization. The pointer
; induction variable is used by a store that will be scalarized.
define void @pointer_iv_non_uniform_1(ptr %a, i64 %n) {
; CHECK-LABEL: define void @pointer_iv_non_uniform_1(
; CHECK-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 16
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX1]], 16
; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX1]], 32
; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX1]], 48
; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]]
; CHECK-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP3]]
; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP4]]
; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP6]]
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP]], align 16
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP1]], align 16
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP2]], align 16
; CHECK-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP3]], align 16
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP1:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80
; CHECK-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[P]], align 16
; CHECK-NEXT: [[UNNAMEDTMP1]] = getelementptr inbounds x86_fp80, ptr [[P]], i32 1
; CHECK-NEXT: [[I_NEXT]] = add i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP19:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @pointer_iv_non_uniform_1(
; INTER-SAME: ptr [[A:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
; INTER-NEXT: [[TMP0:%.*]] = mul i64 [[N_VEC]], 16
; INTER-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[OFFSET_IDX1:%.*]] = mul i64 [[INDEX]], 16
; INTER-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[OFFSET_IDX1]], 0
; INTER-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX1]], 16
; INTER-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX1]], 32
; INTER-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX1]], 48
; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[A]], i64 [[OFFSET_IDX]]
; INTER-NEXT: [[NEXT_GEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP3]]
; INTER-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP4]]
; INTER-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP6]]
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP]], align 16
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP1]], align 16
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP2]], align 16
; INTER-NEXT: store x86_fp80 0xK3FFF8000000000000000, ptr [[NEXT_GEP3]], align 16
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; INTER-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP1]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP1:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = sitofp i32 1 to x86_fp80
; INTER-NEXT: store x86_fp80 [[UNNAMEDTMP0]], ptr [[P]], align 16
; INTER-NEXT: [[UNNAMEDTMP1]] = getelementptr inbounds x86_fp80, ptr [[P]], i32 1
; INTER-NEXT: [[I_NEXT]] = add i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP19:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: ret void
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
%p = phi ptr [%tmp1, %for.body], [%a, %entry]
%tmp0 = sitofp i32 1 to x86_fp80
store x86_fp80 %tmp0, ptr %p, align 16
%tmp1 = getelementptr inbounds x86_fp80, ptr %p, i32 1
%i.next = add i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
ret void
}
; Check multiple pointer induction variables where only one is recognized as
; uniform and remains uniform after vectorization. The other pointer induction
; variable is not recognized as uniform and is not uniform after vectorization
; because it is stored to memory.
define i32 @pointer_iv_mixed(ptr %a, ptr %b, i64 %n) {
; CHECK-LABEL: define i32 @pointer_iv_mixed(
; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX2]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]]
; CHECK: [[VECTOR_MEMCHECK]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[TMP0:%.*]] = shl i64 [[SMAX]], 3
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[SMAX]], 2
; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]]
; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[SCEVGEP1]]
; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]]
; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[N_MOD_VF]]
; CHECK-NEXT: [[TMP2:%.*]] = mul i64 [[N_VEC]], 4
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 8
; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP4]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[A]], %[[VECTOR_PH]] ], [ [[PTR_IND:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP7:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VECTOR_GEP:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <4 x i64> <i64 0, i64 4, i64 8, i64 12>
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 8
; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[OFFSET_IDX]]
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x ptr> [[VECTOR_GEP]], i32 0
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP6]], align 8, !alias.scope [[META20:![0-9]+]]
; CHECK-NEXT: [[TMP7]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]]
; CHECK-NEXT: store <4 x ptr> [[VECTOR_GEP]], ptr [[NEXT_GEP]], align 8, !alias.scope [[META23:![0-9]+]], !noalias [[META20]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 16
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP7]])
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL3:%.*]] = phi ptr [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ], [ [[A]], %[[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP5]], %[[MIDDLE_BLOCK]] ], [ [[B]], %[[ENTRY]] ], [ [[B]], %[[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP9]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL3]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[Q:%.*]] = phi ptr [ [[UNNAMEDTMP4:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP2:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; CHECK-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[P]], align 8
; CHECK-NEXT: [[UNNAMEDTMP2]] = add i32 [[UNNAMEDTMP1]], [[UNNAMEDTMP0]]
; CHECK-NEXT: store ptr [[P]], ptr [[Q]], align 8
; CHECK-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 1
; CHECK-NEXT: [[UNNAMEDTMP4]] = getelementptr inbounds ptr, ptr [[Q]], i32 1
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP26:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = phi i32 [ [[UNNAMEDTMP2]], %[[FOR_BODY]] ], [ [[TMP9]], %[[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[UNNAMEDTMP5]]
;
; INTER-LABEL: define i32 @pointer_iv_mixed(
; INTER-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX2]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]]
; INTER: [[VECTOR_MEMCHECK]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[TMP0:%.*]] = shl i64 [[SMAX]], 3
; INTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP0]]
; INTER-NEXT: [[TMP1:%.*]] = shl i64 [[SMAX]], 2
; INTER-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP1]]
; INTER-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[SCEVGEP1]]
; INTER-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]]
; INTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
; INTER-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[N_MOD_VF]]
; INTER-NEXT: [[TMP2:%.*]] = mul i64 [[N_VEC]], 4
; INTER-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP2]]
; INTER-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 8
; INTER-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP4]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[A]], %[[VECTOR_PH]] ], [ [[PTR_IND:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP7:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VECTOR_GEP:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <4 x i64> <i64 0, i64 4, i64 8, i64 12>
; INTER-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 8
; INTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[OFFSET_IDX]]
; INTER-NEXT: [[TMP6:%.*]] = extractelement <4 x ptr> [[VECTOR_GEP]], i32 0
; INTER-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP6]], align 8, !alias.scope [[META20:![0-9]+]]
; INTER-NEXT: [[TMP7]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]]
; INTER-NEXT: store <4 x ptr> [[VECTOR_GEP]], ptr [[NEXT_GEP]], align 8, !alias.scope [[META23:![0-9]+]], !noalias [[META20]]
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 16
; INTER-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP8]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP7]])
; INTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]]
; INTER-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; INTER-NEXT: [[BC_RESUME_VAL3:%.*]] = phi ptr [ [[TMP3]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ], [ [[A]], %[[VECTOR_MEMCHECK]] ]
; INTER-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[TMP5]], %[[MIDDLE_BLOCK]] ], [ [[B]], %[[ENTRY]] ], [ [[B]], %[[VECTOR_MEMCHECK]] ]
; INTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP9]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[P:%.*]] = phi ptr [ [[UNNAMEDTMP3:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL3]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[Q:%.*]] = phi ptr [ [[UNNAMEDTMP4:%.*]], %[[FOR_BODY]] ], [ [[BC_RESUME_VAL4]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = phi i32 [ [[UNNAMEDTMP2:%.*]], %[[FOR_BODY]] ], [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ]
; INTER-NEXT: [[UNNAMEDTMP1:%.*]] = load i32, ptr [[P]], align 8
; INTER-NEXT: [[UNNAMEDTMP2]] = add i32 [[UNNAMEDTMP1]], [[UNNAMEDTMP0]]
; INTER-NEXT: store ptr [[P]], ptr [[Q]], align 8
; INTER-NEXT: [[UNNAMEDTMP3]] = getelementptr inbounds i32, ptr [[P]], i32 1
; INTER-NEXT: [[UNNAMEDTMP4]] = getelementptr inbounds ptr, ptr [[Q]], i32 1
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP26:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = phi i32 [ [[UNNAMEDTMP2]], %[[FOR_BODY]] ], [ [[TMP9]], %[[MIDDLE_BLOCK]] ]
; INTER-NEXT: ret i32 [[UNNAMEDTMP5]]
;
entry:
br label %for.body
for.body:
%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
%p = phi ptr [ %tmp3, %for.body ], [ %a, %entry ]
%q = phi ptr [ %tmp4, %for.body ], [ %b, %entry ]
%tmp0 = phi i32 [ %tmp2, %for.body ], [ 0, %entry ]
%tmp1 = load i32, ptr %p, align 8
%tmp2 = add i32 %tmp1, %tmp0
store ptr %p, ptr %q, align 8
%tmp3 = getelementptr inbounds i32, ptr %p, i32 1
%tmp4 = getelementptr inbounds ptr, ptr %q, i32 1
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
%tmp5 = phi i32 [ %tmp2, %for.body ]
ret i32 %tmp5
}
; Check that a pointer operand having a user other than a memory access is
; recognized as uniform after vectorization. In this test case, %tmp0 is a
; GEP that is used by a load and a getelementptr instruction (%tmp2). Once
; %tmp2 is marked uniform, %tmp0 should be marked uniform as well.
define void @pointer_operand_geps_with_different_indexed_types(ptr %A, ptr %B, i64 %n) {
; CHECK-LABEL: define void @pointer_operand_geps_with_different_indexed_types(
; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX2]], 4
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]]
; CHECK: [[VECTOR_MEMCHECK]]:
; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[SMAX]]
; CHECK-NEXT: [[TMP6:%.*]] = shl i64 [[SMAX]], 3
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[TMP6]], -4
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[TMP1]]
; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]]
; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[N_MOD_VF]]
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX1:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[INDEX:%.*]] = add i64 [[INDEX1]], 0
; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX1]], 1
; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[INDEX1]], 2
; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX1]], 3
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDEX]]
; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]]
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]]
; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]]
; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[TMP2]], i64 3
; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[TMP7]], i64 3
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[TMP8]], i64 3
; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[TMP9]], i64 3
; CHECK-NEXT: [[TMP14:%.*]] = load i8, ptr [[TMP10]], align 1, !alias.scope [[META27:![0-9]+]]
; CHECK-NEXT: [[TMP15:%.*]] = load i8, ptr [[TMP11]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP16:%.*]] = load i8, ptr [[TMP12]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP17:%.*]] = load i8, ptr [[TMP13]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i8> poison, i8 [[TMP14]], i32 0
; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x i8> [[TMP18]], i8 [[TMP15]], i32 1
; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i8> [[TMP19]], i8 [[TMP16]], i32 2
; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i8> [[TMP21]], i8 [[TMP17]], i32 3
; CHECK-NEXT: [[TMP22:%.*]] = load i8, ptr [[TMP2]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP23:%.*]] = load i8, ptr [[TMP7]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP24:%.*]] = load i8, ptr [[TMP8]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP25:%.*]] = load i8, ptr [[TMP9]], align 1, !alias.scope [[META27]]
; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i8> poison, i8 [[TMP22]], i32 0
; CHECK-NEXT: [[TMP27:%.*]] = insertelement <4 x i8> [[TMP26]], i8 [[TMP23]], i32 1
; CHECK-NEXT: [[TMP32:%.*]] = insertelement <4 x i8> [[TMP27]], i8 [[TMP24]], i32 2
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <4 x i8> [[TMP32]], i8 [[TMP25]], i32 3
; CHECK-NEXT: [[TMP29:%.*]] = xor <4 x i8> [[TMP20]], [[TMP28]]
; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[INDEX]]
; CHECK-NEXT: store <4 x i8> [[TMP29]], ptr [[TMP30]], align 1, !alias.scope [[META30:![0-9]+]], !noalias [[META27]]
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX1]], 4
; CHECK-NEXT: [[TMP31:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT: br i1 [[TMP31]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX2]], [[N_VEC]]
; CHECK-NEXT: br i1 [[CMP_N]], label %[[FOR_END:.*]], label %[[SCALAR_PH]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: br label %[[FOR_BODY:.*]]
; CHECK: [[FOR_BODY]]:
; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ]
; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[I]]
; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds i8, ptr [[UNNAMEDTMP0]], i64 3
; CHECK-NEXT: [[UNNAMEDTMP3:%.*]] = load i8, ptr [[UNNAMEDTMP2]], align 1
; CHECK-NEXT: [[UNNAMEDTMP4:%.*]] = load i8, ptr [[UNNAMEDTMP0]], align 1
; CHECK-NEXT: [[UNNAMEDTMP5:%.*]] = xor i8 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]]
; CHECK-NEXT: [[UNNAMEDTMP6:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[I]]
; CHECK-NEXT: store i8 [[UNNAMEDTMP5]], ptr [[UNNAMEDTMP6]], align 1
; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END]], !llvm.loop [[LOOP33:![0-9]+]]
; CHECK: [[FOR_END]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @pointer_operand_geps_with_different_indexed_types(
; INTER-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[N:%.*]]) {
; INTER-NEXT: [[ENTRY:.*]]:
; INTER-NEXT: [[SMAX2:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ule i64 [[SMAX2]], 4
; INTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]]
; INTER: [[VECTOR_MEMCHECK]]:
; INTER-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N]], i64 1)
; INTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[SMAX]]
; INTER-NEXT: [[TMP8:%.*]] = shl i64 [[SMAX]], 3
; INTER-NEXT: [[TMP0:%.*]] = add i64 [[TMP8]], -4
; INTER-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[TMP0]]
; INTER-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[B]], [[TMP1]]
; INTER-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[A]], [[SCEVGEP]]
; INTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
; INTER-NEXT: br i1 [[FOUND_CONFLICT]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX2]], 4
; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
; INTER-NEXT: [[TMP3:%.*]] = select i1 [[TMP2]], i64 4, i64 [[N_MOD_VF]]
; INTER-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX2]], [[TMP3]]
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[INDEX]]
; INTER-NEXT: [[WIDE_VEC:%.*]] = load <32 x i8>, ptr [[TMP4]], align 1, !alias.scope [[META27:![0-9]+]]
; INTER-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <32 x i8> [[WIDE_VEC]], <32 x i8> poison, <4 x i32> <i32 0, i32 8, i32 16, i32 24>
; INTER-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <32 x i8> [[WIDE_VEC]], <32 x i8> poison, <4 x i32> <i32 3, i32 11, i32 19, i32 27>
; INTER-NEXT: [[TMP5:%.*]] = xor <4 x i8> [[STRIDED_VEC3]], [[STRIDED_VEC]]
; INTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[INDEX]]
; INTER-NEXT: store <4 x i8> [[TMP5]], ptr [[TMP6]], align 1, !alias.scope [[META30:![0-9]+]], !noalias [[META27]]
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; INTER-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: br label %[[SCALAR_PH]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ], [ 0, %[[VECTOR_MEMCHECK]] ]
; INTER-NEXT: br label %[[FOR_BODY:.*]]
; INTER: [[FOR_BODY]]:
; INTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[I_NEXT:%.*]], %[[FOR_BODY]] ]
; INTER-NEXT: [[UNNAMEDTMP0:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[I]]
; INTER-NEXT: [[UNNAMEDTMP2:%.*]] = getelementptr inbounds i8, ptr [[UNNAMEDTMP0]], i64 3
; INTER-NEXT: [[UNNAMEDTMP3:%.*]] = load i8, ptr [[UNNAMEDTMP2]], align 1
; INTER-NEXT: [[UNNAMEDTMP4:%.*]] = load i8, ptr [[UNNAMEDTMP0]], align 1
; INTER-NEXT: [[UNNAMEDTMP5:%.*]] = xor i8 [[UNNAMEDTMP3]], [[UNNAMEDTMP4]]
; INTER-NEXT: [[UNNAMEDTMP6:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 [[I]]
; INTER-NEXT: store i8 [[UNNAMEDTMP5]], ptr [[UNNAMEDTMP6]], align 1
; INTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
; INTER-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
; INTER-NEXT: br i1 [[COND]], label %[[FOR_BODY]], label %[[FOR_END:.*]], !llvm.loop [[LOOP33:![0-9]+]]
; INTER: [[FOR_END]]:
; INTER-NEXT: ret void
;
entry:
br label %for.body
for.body:
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
%tmp0 = getelementptr inbounds i64, ptr %A, i64 %i
%tmp2 = getelementptr inbounds i8, ptr %tmp0, i64 3
%tmp3 = load i8, ptr %tmp2, align 1
%tmp4 = load i8, ptr %tmp0, align 1
%tmp5 = xor i8 %tmp3, %tmp4
%tmp6 = getelementptr inbounds i8, ptr %B, i64 %i
store i8 %tmp5, ptr %tmp6
%i.next = add nuw nsw i64 %i, 1
%cond = icmp slt i64 %i.next, %n
br i1 %cond, label %for.body, label %for.end
for.end:
ret void
}
define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store(ptr %ary) {
; CHECK-LABEL: define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store(
; CHECK-SAME: ptr [[ARY:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], <4 x i64> [[VEC_IND]]
; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 0
; CHECK-NEXT: store <4 x ptr> [[TMP0]], ptr [[TMP1]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 4)
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
; CHECK-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br label %[[SCALAR_PH:.*]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 10240, %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[CUR_PTR:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], i64 [[IV]]
; CHECK-NEXT: store ptr [[CUR_PTR]], ptr [[CUR_PTR]], align 8
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[DONE:%.*]] = icmp eq i64 [[IV]], 10240
; CHECK-NEXT: br i1 [[DONE]], label %[[EXIT:.*]], label %[[LOOP]], !llvm.loop [[LOOP35:![0-9]+]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: ret void
;
; INTER-LABEL: define void @pr61396_pointer_used_as_both_stored_value_and_pointer_operand_by_store(
; INTER-SAME: ptr [[ARY:%.*]]) {
; INTER-NEXT: [[ENTRY:.*:]]
; INTER-NEXT: br label %[[VECTOR_PH:.*]]
; INTER: [[VECTOR_PH]]:
; INTER-NEXT: br label %[[VECTOR_BODY:.*]]
; INTER: [[VECTOR_BODY]]:
; INTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; INTER-NEXT: [[TMP0:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], <4 x i64> [[VEC_IND]]
; INTER-NEXT: [[TMP1:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 0
; INTER-NEXT: store <4 x ptr> [[TMP0]], ptr [[TMP1]], align 8
; INTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; INTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], splat (i64 4)
; INTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
; INTER-NEXT: br i1 [[TMP2]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
; INTER: [[MIDDLE_BLOCK]]:
; INTER-NEXT: br label %[[SCALAR_PH:.*]]
; INTER: [[SCALAR_PH]]:
; INTER-NEXT: br label %[[LOOP:.*]]
; INTER: [[LOOP]]:
; INTER-NEXT: [[IV:%.*]] = phi i64 [ 10240, %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; INTER-NEXT: [[CUR_PTR:%.*]] = getelementptr inbounds ptr, ptr [[ARY]], i64 [[IV]]
; INTER-NEXT: store ptr [[CUR_PTR]], ptr [[CUR_PTR]], align 8
; INTER-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; INTER-NEXT: [[DONE:%.*]] = icmp eq i64 [[IV]], 10240
; INTER-NEXT: br i1 [[DONE]], label %[[EXIT:.*]], label %[[LOOP]], !llvm.loop [[LOOP35:![0-9]+]]
; INTER: [[EXIT]]:
; INTER-NEXT: ret void
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%cur.ptr = getelementptr inbounds ptr, ptr %ary, i64 %iv
store ptr %cur.ptr, ptr %cur.ptr, align 8
%iv.next = add nuw nsw i64 %iv, 1
%done = icmp eq i64 %iv, 10240
br i1 %done, label %exit, label %loop
exit:
ret void
}