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llvm / llvm-project / llvm / refs/heads/master / . / test / Transforms / LoopVectorize / select-cmp.ll
blob: 550e52d318230b5b91b0d0cea190017972410ae8 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF4IC1
; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF4IC4
; RUN: opt -passes=loop-vectorize -force-vector-interleave=4 -force-vector-width=1 -S < %s | FileCheck %s --check-prefixes=CHECK,CHECK-VF1IC4
define i32 @select_const_i32_from_icmp(ptr %v, i64 %n) {
; CHECK-VF4IC1-LABEL: define i32 @select_const_i32_from_icmp(
; CHECK-VF4IC1-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC1-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF4IC1-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC1: [[VECTOR_PH]]:
; CHECK-VF4IC1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF4IC1-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC1-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC1: [[VECTOR_BODY]]:
; CHECK-VF4IC1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC1-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC1-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
; CHECK-VF4IC1-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
; CHECK-VF4IC1-NEXT: [[TMP3:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 3)
; CHECK-VF4IC1-NEXT: [[TMP4:%.*]] = xor <4 x i1> [[TMP3]], splat (i1 true)
; CHECK-VF4IC1-NEXT: [[TMP5]] = or <4 x i1> [[VEC_PHI]], [[TMP4]]
; CHECK-VF4IC1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF4IC1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK-VF4IC1: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC1-NEXT: [[TMP7:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP5]])
; CHECK-VF4IC1-NEXT: [[TMP8:%.*]] = freeze i1 [[TMP7]]
; CHECK-VF4IC1-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP8]], i32 7, i32 3
; CHECK-VF4IC1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC1: [[SCALAR_PH]]:
; CHECK-VF4IC1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 3, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC1: [[LOOP]]:
; CHECK-VF4IC1-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC1-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC1-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF4IC1-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 [[RDX]], i32 7
; CHECK-VF4IC1-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC1-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC1-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK-VF4IC1: [[EXIT]]:
; CHECK-VF4IC1-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC1-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF4IC4-LABEL: define i32 @select_const_i32_from_icmp(
; CHECK-VF4IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 16
; CHECK-VF4IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC4: [[VECTOR_PH]]:
; CHECK-VF4IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 16
; CHECK-VF4IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC4: [[VECTOR_BODY]]:
; CHECK-VF4IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP14:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP15:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP16:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP17:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC4-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC4-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
; CHECK-VF4IC4-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 4
; CHECK-VF4IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 8
; CHECK-VF4IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 12
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x i32>, ptr [[TMP3]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD5:%.*]] = load <4 x i32>, ptr [[TMP4]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD6:%.*]] = load <4 x i32>, ptr [[TMP5]], align 4
; CHECK-VF4IC4-NEXT: [[TMP6:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP7:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD4]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP8:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD5]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP9:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD6]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP10:%.*]] = xor <4 x i1> [[TMP6]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP11:%.*]] = xor <4 x i1> [[TMP7]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP12:%.*]] = xor <4 x i1> [[TMP8]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP13:%.*]] = xor <4 x i1> [[TMP9]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP14]] = or <4 x i1> [[VEC_PHI]], [[TMP10]]
; CHECK-VF4IC4-NEXT: [[TMP15]] = or <4 x i1> [[VEC_PHI1]], [[TMP11]]
; CHECK-VF4IC4-NEXT: [[TMP16]] = or <4 x i1> [[VEC_PHI2]], [[TMP12]]
; CHECK-VF4IC4-NEXT: [[TMP17]] = or <4 x i1> [[VEC_PHI3]], [[TMP13]]
; CHECK-VF4IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-VF4IC4-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK-VF4IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC4-NEXT: [[BIN_RDX:%.*]] = or <4 x i1> [[TMP15]], [[TMP14]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX7:%.*]] = or <4 x i1> [[TMP16]], [[BIN_RDX]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX8:%.*]] = or <4 x i1> [[TMP17]], [[BIN_RDX7]]
; CHECK-VF4IC4-NEXT: [[TMP19:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[BIN_RDX8]])
; CHECK-VF4IC4-NEXT: [[TMP20:%.*]] = freeze i1 [[TMP19]]
; CHECK-VF4IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP20]], i32 7, i32 3
; CHECK-VF4IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC4: [[SCALAR_PH]]:
; CHECK-VF4IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 3, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC4: [[LOOP]]:
; CHECK-VF4IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC4-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC4-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF4IC4-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 [[RDX]], i32 7
; CHECK-VF4IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK-VF4IC4: [[EXIT]]:
; CHECK-VF4IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF1IC4-LABEL: define i32 @select_const_i32_from_icmp(
; CHECK-VF1IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF1IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF1IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF1IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF1IC4: [[VECTOR_PH]]:
; CHECK-VF1IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF1IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF1IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF1IC4: [[VECTOR_BODY]]:
; CHECK-VF1IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP20:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI1:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP21:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI2:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP22:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI3:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP23:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF1IC4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
; CHECK-VF1IC4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
; CHECK-VF1IC4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
; CHECK-VF1IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF1IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP1]]
; CHECK-VF1IC4-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP2]]
; CHECK-VF1IC4-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP3]]
; CHECK-VF1IC4-NEXT: [[TMP8:%.*]] = load i32, ptr [[TMP4]], align 4
; CHECK-VF1IC4-NEXT: [[TMP9:%.*]] = load i32, ptr [[TMP5]], align 4
; CHECK-VF1IC4-NEXT: [[TMP10:%.*]] = load i32, ptr [[TMP6]], align 4
; CHECK-VF1IC4-NEXT: [[TMP11:%.*]] = load i32, ptr [[TMP7]], align 4
; CHECK-VF1IC4-NEXT: [[TMP12:%.*]] = icmp eq i32 [[TMP8]], 3
; CHECK-VF1IC4-NEXT: [[TMP13:%.*]] = icmp eq i32 [[TMP9]], 3
; CHECK-VF1IC4-NEXT: [[TMP14:%.*]] = icmp eq i32 [[TMP10]], 3
; CHECK-VF1IC4-NEXT: [[TMP15:%.*]] = icmp eq i32 [[TMP11]], 3
; CHECK-VF1IC4-NEXT: [[TMP16:%.*]] = xor i1 [[TMP12]], true
; CHECK-VF1IC4-NEXT: [[TMP17:%.*]] = xor i1 [[TMP13]], true
; CHECK-VF1IC4-NEXT: [[TMP18:%.*]] = xor i1 [[TMP14]], true
; CHECK-VF1IC4-NEXT: [[TMP19:%.*]] = xor i1 [[TMP15]], true
; CHECK-VF1IC4-NEXT: [[TMP20]] = or i1 [[VEC_PHI]], [[TMP16]]
; CHECK-VF1IC4-NEXT: [[TMP21]] = or i1 [[VEC_PHI1]], [[TMP17]]
; CHECK-VF1IC4-NEXT: [[TMP22]] = or i1 [[VEC_PHI2]], [[TMP18]]
; CHECK-VF1IC4-NEXT: [[TMP23]] = or i1 [[VEC_PHI3]], [[TMP19]]
; CHECK-VF1IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF1IC4-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[TMP24]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK-VF1IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF1IC4-NEXT: [[BIN_RDX:%.*]] = or i1 [[TMP21]], [[TMP20]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX4:%.*]] = or i1 [[TMP22]], [[BIN_RDX]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX5:%.*]] = or i1 [[TMP23]], [[BIN_RDX4]]
; CHECK-VF1IC4-NEXT: [[TMP25:%.*]] = freeze i1 [[BIN_RDX5]]
; CHECK-VF1IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP25]], i32 7, i32 3
; CHECK-VF1IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF1IC4: [[SCALAR_PH]]:
; CHECK-VF1IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 3, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF1IC4: [[LOOP]]:
; CHECK-VF1IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF1IC4-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF1IC4-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF1IC4-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 [[RDX]], i32 7
; CHECK-VF1IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF1IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF1IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK-VF1IC4: [[EXIT]]:
; CHECK-VF1IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF1IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ 3, %entry ], [ %sel, %loop ]
%gep.v.iv = getelementptr inbounds i32, ptr %v, i64 %iv
%load.v.iv = load i32, ptr %gep.v.iv, align 4
%cmp.v.iv.3 = icmp eq i32 %load.v.iv, 3
%sel = select i1 %cmp.v.iv.3, i32 %rdx, i32 7
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
define i32 @select_const_i32_from_icmp2(ptr %v, i64 %n) {
; CHECK-VF4IC1-LABEL: define i32 @select_const_i32_from_icmp2(
; CHECK-VF4IC1-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC1-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF4IC1-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC1: [[VECTOR_PH]]:
; CHECK-VF4IC1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF4IC1-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC1-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC1: [[VECTOR_BODY]]:
; CHECK-VF4IC1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP4:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC1-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC1-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
; CHECK-VF4IC1-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
; CHECK-VF4IC1-NEXT: [[TMP3:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 3)
; CHECK-VF4IC1-NEXT: [[TMP4]] = or <4 x i1> [[VEC_PHI]], [[TMP3]]
; CHECK-VF4IC1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF4IC1-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK-VF4IC1: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC1-NEXT: [[TMP6:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP4]])
; CHECK-VF4IC1-NEXT: [[TMP7:%.*]] = freeze i1 [[TMP6]]
; CHECK-VF4IC1-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP7]], i32 7, i32 3
; CHECK-VF4IC1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC1: [[SCALAR_PH]]:
; CHECK-VF4IC1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 3, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC1: [[LOOP]]:
; CHECK-VF4IC1-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC1-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC1-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF4IC1-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 7, i32 [[RDX]]
; CHECK-VF4IC1-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC1-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC1-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK-VF4IC1: [[EXIT]]:
; CHECK-VF4IC1-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC1-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF4IC4-LABEL: define i32 @select_const_i32_from_icmp2(
; CHECK-VF4IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 16
; CHECK-VF4IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC4: [[VECTOR_PH]]:
; CHECK-VF4IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 16
; CHECK-VF4IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC4: [[VECTOR_BODY]]:
; CHECK-VF4IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP10:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP11:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP12:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP13:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC4-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC4-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
; CHECK-VF4IC4-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 4
; CHECK-VF4IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 8
; CHECK-VF4IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 12
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x i32>, ptr [[TMP3]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD5:%.*]] = load <4 x i32>, ptr [[TMP4]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD6:%.*]] = load <4 x i32>, ptr [[TMP5]], align 4
; CHECK-VF4IC4-NEXT: [[TMP6:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP7:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD4]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP8:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD5]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP9:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD6]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP10]] = or <4 x i1> [[VEC_PHI]], [[TMP6]]
; CHECK-VF4IC4-NEXT: [[TMP11]] = or <4 x i1> [[VEC_PHI1]], [[TMP7]]
; CHECK-VF4IC4-NEXT: [[TMP12]] = or <4 x i1> [[VEC_PHI2]], [[TMP8]]
; CHECK-VF4IC4-NEXT: [[TMP13]] = or <4 x i1> [[VEC_PHI3]], [[TMP9]]
; CHECK-VF4IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-VF4IC4-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[TMP14]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK-VF4IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC4-NEXT: [[BIN_RDX:%.*]] = or <4 x i1> [[TMP11]], [[TMP10]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX7:%.*]] = or <4 x i1> [[TMP12]], [[BIN_RDX]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX8:%.*]] = or <4 x i1> [[TMP13]], [[BIN_RDX7]]
; CHECK-VF4IC4-NEXT: [[TMP15:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[BIN_RDX8]])
; CHECK-VF4IC4-NEXT: [[TMP16:%.*]] = freeze i1 [[TMP15]]
; CHECK-VF4IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP16]], i32 7, i32 3
; CHECK-VF4IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC4: [[SCALAR_PH]]:
; CHECK-VF4IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 3, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC4: [[LOOP]]:
; CHECK-VF4IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC4-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC4-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF4IC4-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 7, i32 [[RDX]]
; CHECK-VF4IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK-VF4IC4: [[EXIT]]:
; CHECK-VF4IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF1IC4-LABEL: define i32 @select_const_i32_from_icmp2(
; CHECK-VF1IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF1IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF1IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF1IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF1IC4: [[VECTOR_PH]]:
; CHECK-VF1IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF1IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF1IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF1IC4: [[VECTOR_BODY]]:
; CHECK-VF1IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP16:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI1:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP17:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI2:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP18:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI3:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP19:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF1IC4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
; CHECK-VF1IC4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
; CHECK-VF1IC4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
; CHECK-VF1IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF1IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP1]]
; CHECK-VF1IC4-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP2]]
; CHECK-VF1IC4-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP3]]
; CHECK-VF1IC4-NEXT: [[TMP8:%.*]] = load i32, ptr [[TMP4]], align 4
; CHECK-VF1IC4-NEXT: [[TMP9:%.*]] = load i32, ptr [[TMP5]], align 4
; CHECK-VF1IC4-NEXT: [[TMP10:%.*]] = load i32, ptr [[TMP6]], align 4
; CHECK-VF1IC4-NEXT: [[TMP11:%.*]] = load i32, ptr [[TMP7]], align 4
; CHECK-VF1IC4-NEXT: [[TMP12:%.*]] = icmp eq i32 [[TMP8]], 3
; CHECK-VF1IC4-NEXT: [[TMP13:%.*]] = icmp eq i32 [[TMP9]], 3
; CHECK-VF1IC4-NEXT: [[TMP14:%.*]] = icmp eq i32 [[TMP10]], 3
; CHECK-VF1IC4-NEXT: [[TMP15:%.*]] = icmp eq i32 [[TMP11]], 3
; CHECK-VF1IC4-NEXT: [[TMP16]] = or i1 [[VEC_PHI]], [[TMP12]]
; CHECK-VF1IC4-NEXT: [[TMP17]] = or i1 [[VEC_PHI1]], [[TMP13]]
; CHECK-VF1IC4-NEXT: [[TMP18]] = or i1 [[VEC_PHI2]], [[TMP14]]
; CHECK-VF1IC4-NEXT: [[TMP19]] = or i1 [[VEC_PHI3]], [[TMP15]]
; CHECK-VF1IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF1IC4-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[TMP20]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK-VF1IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF1IC4-NEXT: [[BIN_RDX:%.*]] = or i1 [[TMP17]], [[TMP16]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX4:%.*]] = or i1 [[TMP18]], [[BIN_RDX]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX5:%.*]] = or i1 [[TMP19]], [[BIN_RDX4]]
; CHECK-VF1IC4-NEXT: [[TMP21:%.*]] = freeze i1 [[BIN_RDX5]]
; CHECK-VF1IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP21]], i32 7, i32 3
; CHECK-VF1IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF1IC4: [[SCALAR_PH]]:
; CHECK-VF1IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 3, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF1IC4: [[LOOP]]:
; CHECK-VF1IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF1IC4-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF1IC4-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF1IC4-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 7, i32 [[RDX]]
; CHECK-VF1IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF1IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF1IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK-VF1IC4: [[EXIT]]:
; CHECK-VF1IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF1IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ 3, %entry ], [ %sel, %loop ]
%gep.v.iv = getelementptr inbounds i32, ptr %v, i64 %iv
%load.v.iv = load i32, ptr %gep.v.iv, align 4
%cmp.v.iv.3 = icmp eq i32 %load.v.iv, 3
%sel = select i1 %cmp.v.iv.3, i32 7, i32 %rdx
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
define i32 @select_i32_from_icmp(ptr %v, i32 %a, i32 %b, i64 %n) {
; CHECK-VF4IC1-LABEL: define i32 @select_i32_from_icmp(
; CHECK-VF4IC1-SAME: ptr [[V:%.*]], i32 [[A:%.*]], i32 [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC1-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF4IC1-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC1: [[VECTOR_PH]]:
; CHECK-VF4IC1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF4IC1-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC1-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC1: [[VECTOR_BODY]]:
; CHECK-VF4IC1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC1-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC1-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
; CHECK-VF4IC1-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
; CHECK-VF4IC1-NEXT: [[TMP3:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 3)
; CHECK-VF4IC1-NEXT: [[TMP4:%.*]] = xor <4 x i1> [[TMP3]], splat (i1 true)
; CHECK-VF4IC1-NEXT: [[TMP5]] = or <4 x i1> [[VEC_PHI]], [[TMP4]]
; CHECK-VF4IC1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF4IC1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK-VF4IC1: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC1-NEXT: [[TMP7:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP5]])
; CHECK-VF4IC1-NEXT: [[TMP8:%.*]] = freeze i1 [[TMP7]]
; CHECK-VF4IC1-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP8]], i32 [[B]], i32 [[A]]
; CHECK-VF4IC1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC1: [[SCALAR_PH]]:
; CHECK-VF4IC1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC1: [[LOOP]]:
; CHECK-VF4IC1-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC1-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC1-NEXT: [[CMP_LOAD_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF4IC1-NEXT: [[SEL]] = select i1 [[CMP_LOAD_IV_3]], i32 [[RDX]], i32 [[B]]
; CHECK-VF4IC1-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC1-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC1-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK-VF4IC1: [[EXIT]]:
; CHECK-VF4IC1-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC1-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF4IC4-LABEL: define i32 @select_i32_from_icmp(
; CHECK-VF4IC4-SAME: ptr [[V:%.*]], i32 [[A:%.*]], i32 [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 16
; CHECK-VF4IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC4: [[VECTOR_PH]]:
; CHECK-VF4IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 16
; CHECK-VF4IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC4: [[VECTOR_BODY]]:
; CHECK-VF4IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP14:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP15:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP16:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP17:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC4-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC4-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 0
; CHECK-VF4IC4-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 4
; CHECK-VF4IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 8
; CHECK-VF4IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i32 12
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x i32>, ptr [[TMP3]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD5:%.*]] = load <4 x i32>, ptr [[TMP4]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD6:%.*]] = load <4 x i32>, ptr [[TMP5]], align 4
; CHECK-VF4IC4-NEXT: [[TMP6:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP7:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD4]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP8:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD5]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP9:%.*]] = icmp eq <4 x i32> [[WIDE_LOAD6]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP10:%.*]] = xor <4 x i1> [[TMP6]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP11:%.*]] = xor <4 x i1> [[TMP7]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP12:%.*]] = xor <4 x i1> [[TMP8]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP13:%.*]] = xor <4 x i1> [[TMP9]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP14]] = or <4 x i1> [[VEC_PHI]], [[TMP10]]
; CHECK-VF4IC4-NEXT: [[TMP15]] = or <4 x i1> [[VEC_PHI1]], [[TMP11]]
; CHECK-VF4IC4-NEXT: [[TMP16]] = or <4 x i1> [[VEC_PHI2]], [[TMP12]]
; CHECK-VF4IC4-NEXT: [[TMP17]] = or <4 x i1> [[VEC_PHI3]], [[TMP13]]
; CHECK-VF4IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-VF4IC4-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK-VF4IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC4-NEXT: [[BIN_RDX:%.*]] = or <4 x i1> [[TMP15]], [[TMP14]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX7:%.*]] = or <4 x i1> [[TMP16]], [[BIN_RDX]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX8:%.*]] = or <4 x i1> [[TMP17]], [[BIN_RDX7]]
; CHECK-VF4IC4-NEXT: [[TMP19:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[BIN_RDX8]])
; CHECK-VF4IC4-NEXT: [[TMP20:%.*]] = freeze i1 [[TMP19]]
; CHECK-VF4IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP20]], i32 [[B]], i32 [[A]]
; CHECK-VF4IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC4: [[SCALAR_PH]]:
; CHECK-VF4IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC4: [[LOOP]]:
; CHECK-VF4IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC4-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC4-NEXT: [[CMP_LOAD_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF4IC4-NEXT: [[SEL]] = select i1 [[CMP_LOAD_IV_3]], i32 [[RDX]], i32 [[B]]
; CHECK-VF4IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK-VF4IC4: [[EXIT]]:
; CHECK-VF4IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF1IC4-LABEL: define i32 @select_i32_from_icmp(
; CHECK-VF1IC4-SAME: ptr [[V:%.*]], i32 [[A:%.*]], i32 [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-VF1IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF1IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF1IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF1IC4: [[VECTOR_PH]]:
; CHECK-VF1IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF1IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF1IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF1IC4: [[VECTOR_BODY]]:
; CHECK-VF1IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP20:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI1:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP21:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI2:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP22:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI3:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP23:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF1IC4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
; CHECK-VF1IC4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
; CHECK-VF1IC4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
; CHECK-VF1IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP0]]
; CHECK-VF1IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP1]]
; CHECK-VF1IC4-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP2]]
; CHECK-VF1IC4-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[TMP3]]
; CHECK-VF1IC4-NEXT: [[TMP8:%.*]] = load i32, ptr [[TMP4]], align 4
; CHECK-VF1IC4-NEXT: [[TMP9:%.*]] = load i32, ptr [[TMP5]], align 4
; CHECK-VF1IC4-NEXT: [[TMP10:%.*]] = load i32, ptr [[TMP6]], align 4
; CHECK-VF1IC4-NEXT: [[TMP11:%.*]] = load i32, ptr [[TMP7]], align 4
; CHECK-VF1IC4-NEXT: [[TMP12:%.*]] = icmp eq i32 [[TMP8]], 3
; CHECK-VF1IC4-NEXT: [[TMP13:%.*]] = icmp eq i32 [[TMP9]], 3
; CHECK-VF1IC4-NEXT: [[TMP14:%.*]] = icmp eq i32 [[TMP10]], 3
; CHECK-VF1IC4-NEXT: [[TMP15:%.*]] = icmp eq i32 [[TMP11]], 3
; CHECK-VF1IC4-NEXT: [[TMP16:%.*]] = xor i1 [[TMP12]], true
; CHECK-VF1IC4-NEXT: [[TMP17:%.*]] = xor i1 [[TMP13]], true
; CHECK-VF1IC4-NEXT: [[TMP18:%.*]] = xor i1 [[TMP14]], true
; CHECK-VF1IC4-NEXT: [[TMP19:%.*]] = xor i1 [[TMP15]], true
; CHECK-VF1IC4-NEXT: [[TMP20]] = or i1 [[VEC_PHI]], [[TMP16]]
; CHECK-VF1IC4-NEXT: [[TMP21]] = or i1 [[VEC_PHI1]], [[TMP17]]
; CHECK-VF1IC4-NEXT: [[TMP22]] = or i1 [[VEC_PHI2]], [[TMP18]]
; CHECK-VF1IC4-NEXT: [[TMP23]] = or i1 [[VEC_PHI3]], [[TMP19]]
; CHECK-VF1IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF1IC4-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[TMP24]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK-VF1IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF1IC4-NEXT: [[BIN_RDX:%.*]] = or i1 [[TMP21]], [[TMP20]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX4:%.*]] = or i1 [[TMP22]], [[BIN_RDX]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX5:%.*]] = or i1 [[TMP23]], [[BIN_RDX4]]
; CHECK-VF1IC4-NEXT: [[TMP25:%.*]] = freeze i1 [[BIN_RDX5]]
; CHECK-VF1IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP25]], i32 [[B]], i32 [[A]]
; CHECK-VF1IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF1IC4: [[SCALAR_PH]]:
; CHECK-VF1IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF1IC4: [[LOOP]]:
; CHECK-VF1IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-VF1IC4-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-VF1IC4-NEXT: [[CMP_LOAD_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-VF1IC4-NEXT: [[SEL]] = select i1 [[CMP_LOAD_IV_3]], i32 [[RDX]], i32 [[B]]
; CHECK-VF1IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF1IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF1IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP7:![0-9]+]]
; CHECK-VF1IC4: [[EXIT]]:
; CHECK-VF1IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF1IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ %a, %entry ], [ %sel, %loop ]
%gep.v.iv = getelementptr inbounds i32, ptr %v, i64 %iv
%load.v.iv = load i32, ptr %gep.v.iv, align 4
%cmp.load.iv.3 = icmp eq i32 %load.v.iv, 3
%sel = select i1 %cmp.load.iv.3, i32 %rdx, i32 %b
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
define i32 @select_const_i32_from_fcmp_fast(ptr %v, i64 %n) {
; CHECK-VF4IC1-LABEL: define i32 @select_const_i32_from_fcmp_fast(
; CHECK-VF4IC1-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC1-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF4IC1-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC1: [[VECTOR_PH]]:
; CHECK-VF4IC1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF4IC1-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC1-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC1: [[VECTOR_BODY]]:
; CHECK-VF4IC1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC1-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC1-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 0
; CHECK-VF4IC1-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP2]], align 4
; CHECK-VF4IC1-NEXT: [[TMP3:%.*]] = fcmp fast ueq <4 x float> [[WIDE_LOAD]], splat (float 3.000000e+00)
; CHECK-VF4IC1-NEXT: [[TMP4:%.*]] = xor <4 x i1> [[TMP3]], splat (i1 true)
; CHECK-VF4IC1-NEXT: [[TMP5]] = or <4 x i1> [[VEC_PHI]], [[TMP4]]
; CHECK-VF4IC1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF4IC1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK-VF4IC1: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC1-NEXT: [[TMP7:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP5]])
; CHECK-VF4IC1-NEXT: [[TMP8:%.*]] = freeze i1 [[TMP7]]
; CHECK-VF4IC1-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP8]], i32 1, i32 2
; CHECK-VF4IC1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC1: [[SCALAR_PH]]:
; CHECK-VF4IC1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 2, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC1: [[LOOP]]:
; CHECK-VF4IC1-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC1-NEXT: [[LOAD_V_IV:%.*]] = load float, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC1-NEXT: [[CMP_LOAD_IV_3:%.*]] = fcmp fast ueq float [[LOAD_V_IV]], 3.000000e+00
; CHECK-VF4IC1-NEXT: [[SEL]] = select i1 [[CMP_LOAD_IV_3]], i32 [[RDX]], i32 1
; CHECK-VF4IC1-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC1-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC1-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK-VF4IC1: [[EXIT]]:
; CHECK-VF4IC1-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC1-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF4IC4-LABEL: define i32 @select_const_i32_from_fcmp_fast(
; CHECK-VF4IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 16
; CHECK-VF4IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC4: [[VECTOR_PH]]:
; CHECK-VF4IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 16
; CHECK-VF4IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC4: [[VECTOR_BODY]]:
; CHECK-VF4IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP14:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP15:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP16:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP17:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC4-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC4-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 0
; CHECK-VF4IC4-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 4
; CHECK-VF4IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 8
; CHECK-VF4IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 12
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP2]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x float>, ptr [[TMP3]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD5:%.*]] = load <4 x float>, ptr [[TMP4]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD6:%.*]] = load <4 x float>, ptr [[TMP5]], align 4
; CHECK-VF4IC4-NEXT: [[TMP6:%.*]] = fcmp fast ueq <4 x float> [[WIDE_LOAD]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP7:%.*]] = fcmp fast ueq <4 x float> [[WIDE_LOAD4]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP8:%.*]] = fcmp fast ueq <4 x float> [[WIDE_LOAD5]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP9:%.*]] = fcmp fast ueq <4 x float> [[WIDE_LOAD6]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP10:%.*]] = xor <4 x i1> [[TMP6]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP11:%.*]] = xor <4 x i1> [[TMP7]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP12:%.*]] = xor <4 x i1> [[TMP8]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP13:%.*]] = xor <4 x i1> [[TMP9]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP14]] = or <4 x i1> [[VEC_PHI]], [[TMP10]]
; CHECK-VF4IC4-NEXT: [[TMP15]] = or <4 x i1> [[VEC_PHI1]], [[TMP11]]
; CHECK-VF4IC4-NEXT: [[TMP16]] = or <4 x i1> [[VEC_PHI2]], [[TMP12]]
; CHECK-VF4IC4-NEXT: [[TMP17]] = or <4 x i1> [[VEC_PHI3]], [[TMP13]]
; CHECK-VF4IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-VF4IC4-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK-VF4IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC4-NEXT: [[BIN_RDX:%.*]] = or <4 x i1> [[TMP15]], [[TMP14]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX7:%.*]] = or <4 x i1> [[TMP16]], [[BIN_RDX]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX8:%.*]] = or <4 x i1> [[TMP17]], [[BIN_RDX7]]
; CHECK-VF4IC4-NEXT: [[TMP19:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[BIN_RDX8]])
; CHECK-VF4IC4-NEXT: [[TMP20:%.*]] = freeze i1 [[TMP19]]
; CHECK-VF4IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP20]], i32 1, i32 2
; CHECK-VF4IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC4: [[SCALAR_PH]]:
; CHECK-VF4IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 2, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC4: [[LOOP]]:
; CHECK-VF4IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC4-NEXT: [[LOAD_V_IV:%.*]] = load float, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC4-NEXT: [[CMP_LOAD_IV_3:%.*]] = fcmp fast ueq float [[LOAD_V_IV]], 3.000000e+00
; CHECK-VF4IC4-NEXT: [[SEL]] = select i1 [[CMP_LOAD_IV_3]], i32 [[RDX]], i32 1
; CHECK-VF4IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK-VF4IC4: [[EXIT]]:
; CHECK-VF4IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF1IC4-LABEL: define i32 @select_const_i32_from_fcmp_fast(
; CHECK-VF1IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF1IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF1IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF1IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF1IC4: [[VECTOR_PH]]:
; CHECK-VF1IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF1IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF1IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF1IC4: [[VECTOR_BODY]]:
; CHECK-VF1IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP20:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI1:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP21:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI2:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP22:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI3:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP23:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF1IC4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
; CHECK-VF1IC4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
; CHECK-VF1IC4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
; CHECK-VF1IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP0]]
; CHECK-VF1IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP1]]
; CHECK-VF1IC4-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP2]]
; CHECK-VF1IC4-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP3]]
; CHECK-VF1IC4-NEXT: [[TMP8:%.*]] = load float, ptr [[TMP4]], align 4
; CHECK-VF1IC4-NEXT: [[TMP9:%.*]] = load float, ptr [[TMP5]], align 4
; CHECK-VF1IC4-NEXT: [[TMP10:%.*]] = load float, ptr [[TMP6]], align 4
; CHECK-VF1IC4-NEXT: [[TMP11:%.*]] = load float, ptr [[TMP7]], align 4
; CHECK-VF1IC4-NEXT: [[TMP12:%.*]] = fcmp fast ueq float [[TMP8]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP13:%.*]] = fcmp fast ueq float [[TMP9]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP14:%.*]] = fcmp fast ueq float [[TMP10]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP15:%.*]] = fcmp fast ueq float [[TMP11]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP16:%.*]] = xor i1 [[TMP12]], true
; CHECK-VF1IC4-NEXT: [[TMP17:%.*]] = xor i1 [[TMP13]], true
; CHECK-VF1IC4-NEXT: [[TMP18:%.*]] = xor i1 [[TMP14]], true
; CHECK-VF1IC4-NEXT: [[TMP19:%.*]] = xor i1 [[TMP15]], true
; CHECK-VF1IC4-NEXT: [[TMP20]] = or i1 [[VEC_PHI]], [[TMP16]]
; CHECK-VF1IC4-NEXT: [[TMP21]] = or i1 [[VEC_PHI1]], [[TMP17]]
; CHECK-VF1IC4-NEXT: [[TMP22]] = or i1 [[VEC_PHI2]], [[TMP18]]
; CHECK-VF1IC4-NEXT: [[TMP23]] = or i1 [[VEC_PHI3]], [[TMP19]]
; CHECK-VF1IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF1IC4-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[TMP24]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
; CHECK-VF1IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF1IC4-NEXT: [[BIN_RDX:%.*]] = or i1 [[TMP21]], [[TMP20]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX4:%.*]] = or i1 [[TMP22]], [[BIN_RDX]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX5:%.*]] = or i1 [[TMP23]], [[BIN_RDX4]]
; CHECK-VF1IC4-NEXT: [[TMP25:%.*]] = freeze i1 [[BIN_RDX5]]
; CHECK-VF1IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP25]], i32 1, i32 2
; CHECK-VF1IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF1IC4: [[SCALAR_PH]]:
; CHECK-VF1IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 2, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF1IC4: [[LOOP]]:
; CHECK-VF1IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[IV]]
; CHECK-VF1IC4-NEXT: [[LOAD_V_IV:%.*]] = load float, ptr [[GEP_V_IV]], align 4
; CHECK-VF1IC4-NEXT: [[CMP_LOAD_IV_3:%.*]] = fcmp fast ueq float [[LOAD_V_IV]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[SEL]] = select i1 [[CMP_LOAD_IV_3]], i32 [[RDX]], i32 1
; CHECK-VF1IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF1IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF1IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP9:![0-9]+]]
; CHECK-VF1IC4: [[EXIT]]:
; CHECK-VF1IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF1IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ 2, %entry ], [ %sel, %loop ]
%gep.v.iv = getelementptr inbounds float, ptr %v, i64 %iv
%load.v.iv = load float, ptr %gep.v.iv, align 4
%cmp.load.iv.3 = fcmp fast ueq float %load.v.iv, 3.0
%sel = select i1 %cmp.load.iv.3, i32 %rdx, i32 1
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
define i32 @select_const_i32_from_fcmp(ptr %v, i64 %n) {
; CHECK-VF4IC1-LABEL: define i32 @select_const_i32_from_fcmp(
; CHECK-VF4IC1-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC1-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF4IC1-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC1: [[VECTOR_PH]]:
; CHECK-VF4IC1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF4IC1-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC1-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC1: [[VECTOR_BODY]]:
; CHECK-VF4IC1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC1-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC1-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 0
; CHECK-VF4IC1-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP2]], align 4
; CHECK-VF4IC1-NEXT: [[TMP3:%.*]] = fcmp ueq <4 x float> [[WIDE_LOAD]], splat (float 3.000000e+00)
; CHECK-VF4IC1-NEXT: [[TMP4:%.*]] = xor <4 x i1> [[TMP3]], splat (i1 true)
; CHECK-VF4IC1-NEXT: [[TMP5]] = or <4 x i1> [[VEC_PHI]], [[TMP4]]
; CHECK-VF4IC1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF4IC1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[TMP6]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK-VF4IC1: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC1-NEXT: [[TMP7:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP5]])
; CHECK-VF4IC1-NEXT: [[TMP8:%.*]] = freeze i1 [[TMP7]]
; CHECK-VF4IC1-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP8]], i32 1, i32 2
; CHECK-VF4IC1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC1: [[SCALAR_PH]]:
; CHECK-VF4IC1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 2, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC1: [[LOOP]]:
; CHECK-VF4IC1-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC1-NEXT: [[LOAD_V_IV:%.*]] = load float, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC1-NEXT: [[CMP_V_IV_3:%.*]] = fcmp ueq float [[LOAD_V_IV]], 3.000000e+00
; CHECK-VF4IC1-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 [[RDX]], i32 1
; CHECK-VF4IC1-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC1-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC1-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK-VF4IC1: [[EXIT]]:
; CHECK-VF4IC1-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC1-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF4IC4-LABEL: define i32 @select_const_i32_from_fcmp(
; CHECK-VF4IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 16
; CHECK-VF4IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC4: [[VECTOR_PH]]:
; CHECK-VF4IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 16
; CHECK-VF4IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC4: [[VECTOR_BODY]]:
; CHECK-VF4IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP14:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP15:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP16:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP17:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF4IC4-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP0]]
; CHECK-VF4IC4-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 0
; CHECK-VF4IC4-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 4
; CHECK-VF4IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 8
; CHECK-VF4IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, ptr [[TMP1]], i32 12
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr [[TMP2]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x float>, ptr [[TMP3]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD5:%.*]] = load <4 x float>, ptr [[TMP4]], align 4
; CHECK-VF4IC4-NEXT: [[WIDE_LOAD6:%.*]] = load <4 x float>, ptr [[TMP5]], align 4
; CHECK-VF4IC4-NEXT: [[TMP6:%.*]] = fcmp ueq <4 x float> [[WIDE_LOAD]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP7:%.*]] = fcmp ueq <4 x float> [[WIDE_LOAD4]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP8:%.*]] = fcmp ueq <4 x float> [[WIDE_LOAD5]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP9:%.*]] = fcmp ueq <4 x float> [[WIDE_LOAD6]], splat (float 3.000000e+00)
; CHECK-VF4IC4-NEXT: [[TMP10:%.*]] = xor <4 x i1> [[TMP6]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP11:%.*]] = xor <4 x i1> [[TMP7]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP12:%.*]] = xor <4 x i1> [[TMP8]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP13:%.*]] = xor <4 x i1> [[TMP9]], splat (i1 true)
; CHECK-VF4IC4-NEXT: [[TMP14]] = or <4 x i1> [[VEC_PHI]], [[TMP10]]
; CHECK-VF4IC4-NEXT: [[TMP15]] = or <4 x i1> [[VEC_PHI1]], [[TMP11]]
; CHECK-VF4IC4-NEXT: [[TMP16]] = or <4 x i1> [[VEC_PHI2]], [[TMP12]]
; CHECK-VF4IC4-NEXT: [[TMP17]] = or <4 x i1> [[VEC_PHI3]], [[TMP13]]
; CHECK-VF4IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-VF4IC4-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK-VF4IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC4-NEXT: [[BIN_RDX:%.*]] = or <4 x i1> [[TMP15]], [[TMP14]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX7:%.*]] = or <4 x i1> [[TMP16]], [[BIN_RDX]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX8:%.*]] = or <4 x i1> [[TMP17]], [[BIN_RDX7]]
; CHECK-VF4IC4-NEXT: [[TMP19:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[BIN_RDX8]])
; CHECK-VF4IC4-NEXT: [[TMP20:%.*]] = freeze i1 [[TMP19]]
; CHECK-VF4IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP20]], i32 1, i32 2
; CHECK-VF4IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC4: [[SCALAR_PH]]:
; CHECK-VF4IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 2, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC4: [[LOOP]]:
; CHECK-VF4IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[IV]]
; CHECK-VF4IC4-NEXT: [[LOAD_V_IV:%.*]] = load float, ptr [[GEP_V_IV]], align 4
; CHECK-VF4IC4-NEXT: [[CMP_V_IV_3:%.*]] = fcmp ueq float [[LOAD_V_IV]], 3.000000e+00
; CHECK-VF4IC4-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 [[RDX]], i32 1
; CHECK-VF4IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK-VF4IC4: [[EXIT]]:
; CHECK-VF4IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF1IC4-LABEL: define i32 @select_const_i32_from_fcmp(
; CHECK-VF1IC4-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-VF1IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF1IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF1IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF1IC4: [[VECTOR_PH]]:
; CHECK-VF1IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF1IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF1IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF1IC4: [[VECTOR_BODY]]:
; CHECK-VF1IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP20:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI1:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP21:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI2:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP22:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI3:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP23:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-VF1IC4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
; CHECK-VF1IC4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
; CHECK-VF1IC4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
; CHECK-VF1IC4-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP0]]
; CHECK-VF1IC4-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP1]]
; CHECK-VF1IC4-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP2]]
; CHECK-VF1IC4-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[TMP3]]
; CHECK-VF1IC4-NEXT: [[TMP8:%.*]] = load float, ptr [[TMP4]], align 4
; CHECK-VF1IC4-NEXT: [[TMP9:%.*]] = load float, ptr [[TMP5]], align 4
; CHECK-VF1IC4-NEXT: [[TMP10:%.*]] = load float, ptr [[TMP6]], align 4
; CHECK-VF1IC4-NEXT: [[TMP11:%.*]] = load float, ptr [[TMP7]], align 4
; CHECK-VF1IC4-NEXT: [[TMP12:%.*]] = fcmp ueq float [[TMP8]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP13:%.*]] = fcmp ueq float [[TMP9]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP14:%.*]] = fcmp ueq float [[TMP10]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP15:%.*]] = fcmp ueq float [[TMP11]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[TMP16:%.*]] = xor i1 [[TMP12]], true
; CHECK-VF1IC4-NEXT: [[TMP17:%.*]] = xor i1 [[TMP13]], true
; CHECK-VF1IC4-NEXT: [[TMP18:%.*]] = xor i1 [[TMP14]], true
; CHECK-VF1IC4-NEXT: [[TMP19:%.*]] = xor i1 [[TMP15]], true
; CHECK-VF1IC4-NEXT: [[TMP20]] = or i1 [[VEC_PHI]], [[TMP16]]
; CHECK-VF1IC4-NEXT: [[TMP21]] = or i1 [[VEC_PHI1]], [[TMP17]]
; CHECK-VF1IC4-NEXT: [[TMP22]] = or i1 [[VEC_PHI2]], [[TMP18]]
; CHECK-VF1IC4-NEXT: [[TMP23]] = or i1 [[VEC_PHI3]], [[TMP19]]
; CHECK-VF1IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF1IC4-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[TMP24]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
; CHECK-VF1IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF1IC4-NEXT: [[BIN_RDX:%.*]] = or i1 [[TMP21]], [[TMP20]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX4:%.*]] = or i1 [[TMP22]], [[BIN_RDX]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX5:%.*]] = or i1 [[TMP23]], [[BIN_RDX4]]
; CHECK-VF1IC4-NEXT: [[TMP25:%.*]] = freeze i1 [[BIN_RDX5]]
; CHECK-VF1IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP25]], i32 1, i32 2
; CHECK-VF1IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF1IC4: [[SCALAR_PH]]:
; CHECK-VF1IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ 2, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF1IC4: [[LOOP]]:
; CHECK-VF1IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds float, ptr [[V]], i64 [[IV]]
; CHECK-VF1IC4-NEXT: [[LOAD_V_IV:%.*]] = load float, ptr [[GEP_V_IV]], align 4
; CHECK-VF1IC4-NEXT: [[CMP_V_IV_3:%.*]] = fcmp ueq float [[LOAD_V_IV]], 3.000000e+00
; CHECK-VF1IC4-NEXT: [[SEL]] = select i1 [[CMP_V_IV_3]], i32 [[RDX]], i32 1
; CHECK-VF1IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF1IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF1IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP11:![0-9]+]]
; CHECK-VF1IC4: [[EXIT]]:
; CHECK-VF1IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF1IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ 2, %entry ], [ %sel, %loop ]
%gep.v.iv = getelementptr inbounds float, ptr %v, i64 %iv
%load.v.iv = load float, ptr %gep.v.iv, align 4
%cmp.v.iv.3 = fcmp ueq float %load.v.iv, 3.0
%sel = select i1 %cmp.v.iv.3, i32 %rdx, i32 1
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
define i32 @select_i32_from_icmp_same_inputs(i32 %a, i32 %b, i64 %n) {
; CHECK-VF4IC1-LABEL: define i32 @select_i32_from_icmp_same_inputs(
; CHECK-VF4IC1-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC1-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF4IC1-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC1: [[VECTOR_PH]]:
; CHECK-VF4IC1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF4IC1-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC1-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[A]], i64 0
; CHECK-VF4IC1-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-VF4IC1-NEXT: [[TMP0:%.*]] = icmp eq <4 x i32> [[BROADCAST_SPLAT]], splat (i32 3)
; CHECK-VF4IC1-NEXT: [[TMP1:%.*]] = xor <4 x i1> [[TMP0]], splat (i1 true)
; CHECK-VF4IC1-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC1: [[VECTOR_BODY]]:
; CHECK-VF4IC1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP2:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC1-NEXT: [[TMP2]] = or <4 x i1> [[VEC_PHI]], [[TMP1]]
; CHECK-VF4IC1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF4IC1-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK-VF4IC1: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC1-NEXT: [[TMP4:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[TMP2]])
; CHECK-VF4IC1-NEXT: [[TMP5:%.*]] = freeze i1 [[TMP4]]
; CHECK-VF4IC1-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP5]], i32 [[B]], i32 [[A]]
; CHECK-VF4IC1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC1-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC1: [[SCALAR_PH]]:
; CHECK-VF4IC1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-VF4IC1-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC1: [[LOOP]]:
; CHECK-VF4IC1-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC1-NEXT: [[CMP_RDX_3:%.*]] = icmp eq i32 [[RDX]], 3
; CHECK-VF4IC1-NEXT: [[SEL]] = select i1 [[CMP_RDX_3]], i32 [[RDX]], i32 [[B]]
; CHECK-VF4IC1-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC1-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC1-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK-VF4IC1: [[EXIT]]:
; CHECK-VF4IC1-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC1-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF4IC4-LABEL: define i32 @select_i32_from_icmp_same_inputs(
; CHECK-VF4IC4-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-VF4IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF4IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 16
; CHECK-VF4IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF4IC4: [[VECTOR_PH]]:
; CHECK-VF4IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 16
; CHECK-VF4IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF4IC4-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[A]], i64 0
; CHECK-VF4IC4-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
; CHECK-VF4IC4-NEXT: [[TMP0:%.*]] = icmp eq <4 x i32> [[BROADCAST_SPLAT]], splat (i32 3)
; CHECK-VF4IC4-NEXT: [[TMP4:%.*]] = xor <4 x i1> [[TMP0]], splat (i1 true)
; CHECK-VF4IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF4IC4: [[VECTOR_BODY]]:
; CHECK-VF4IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP6:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP7:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i1> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP8:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF4IC4-NEXT: [[TMP5]] = or <4 x i1> [[VEC_PHI]], [[TMP4]]
; CHECK-VF4IC4-NEXT: [[TMP6]] = or <4 x i1> [[VEC_PHI1]], [[TMP4]]
; CHECK-VF4IC4-NEXT: [[TMP7]] = or <4 x i1> [[VEC_PHI2]], [[TMP4]]
; CHECK-VF4IC4-NEXT: [[TMP8]] = or <4 x i1> [[VEC_PHI3]], [[TMP4]]
; CHECK-VF4IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
; CHECK-VF4IC4-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK-VF4IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF4IC4-NEXT: [[BIN_RDX:%.*]] = or <4 x i1> [[TMP6]], [[TMP5]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX4:%.*]] = or <4 x i1> [[TMP7]], [[BIN_RDX]]
; CHECK-VF4IC4-NEXT: [[BIN_RDX5:%.*]] = or <4 x i1> [[TMP8]], [[BIN_RDX4]]
; CHECK-VF4IC4-NEXT: [[TMP10:%.*]] = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> [[BIN_RDX5]])
; CHECK-VF4IC4-NEXT: [[TMP11:%.*]] = freeze i1 [[TMP10]]
; CHECK-VF4IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP11]], i32 [[B]], i32 [[A]]
; CHECK-VF4IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF4IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF4IC4: [[SCALAR_PH]]:
; CHECK-VF4IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-VF4IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF4IC4: [[LOOP]]:
; CHECK-VF4IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF4IC4-NEXT: [[CMP_RDX_3:%.*]] = icmp eq i32 [[RDX]], 3
; CHECK-VF4IC4-NEXT: [[SEL]] = select i1 [[CMP_RDX_3]], i32 [[RDX]], i32 [[B]]
; CHECK-VF4IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF4IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF4IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK-VF4IC4: [[EXIT]]:
; CHECK-VF4IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF4IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
; CHECK-VF1IC4-LABEL: define i32 @select_i32_from_icmp_same_inputs(
; CHECK-VF1IC4-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i64 [[N:%.*]]) {
; CHECK-VF1IC4-NEXT: [[ENTRY:.*]]:
; CHECK-VF1IC4-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
; CHECK-VF1IC4-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK-VF1IC4: [[VECTOR_PH]]:
; CHECK-VF1IC4-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
; CHECK-VF1IC4-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
; CHECK-VF1IC4-NEXT: [[TMP0:%.*]] = icmp eq i32 [[A]], 3
; CHECK-VF1IC4-NEXT: [[TMP4:%.*]] = xor i1 [[TMP0]], true
; CHECK-VF1IC4-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK-VF1IC4: [[VECTOR_BODY]]:
; CHECK-VF1IC4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP5:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI1:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP6:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI2:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP7:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[VEC_PHI3:%.*]] = phi i1 [ false, %[[VECTOR_PH]] ], [ [[TMP8:%.*]], %[[VECTOR_BODY]] ]
; CHECK-VF1IC4-NEXT: [[TMP5]] = or i1 [[VEC_PHI]], [[TMP4]]
; CHECK-VF1IC4-NEXT: [[TMP6]] = or i1 [[VEC_PHI1]], [[TMP4]]
; CHECK-VF1IC4-NEXT: [[TMP7]] = or i1 [[VEC_PHI2]], [[TMP4]]
; CHECK-VF1IC4-NEXT: [[TMP8]] = or i1 [[VEC_PHI3]], [[TMP4]]
; CHECK-VF1IC4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-VF1IC4-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
; CHECK-VF1IC4: [[MIDDLE_BLOCK]]:
; CHECK-VF1IC4-NEXT: [[BIN_RDX:%.*]] = or i1 [[TMP6]], [[TMP5]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX4:%.*]] = or i1 [[TMP7]], [[BIN_RDX]]
; CHECK-VF1IC4-NEXT: [[BIN_RDX5:%.*]] = or i1 [[TMP8]], [[BIN_RDX4]]
; CHECK-VF1IC4-NEXT: [[TMP10:%.*]] = freeze i1 [[BIN_RDX5]]
; CHECK-VF1IC4-NEXT: [[RDX_SELECT:%.*]] = select i1 [[TMP10]], i32 [[B]], i32 [[A]]
; CHECK-VF1IC4-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
; CHECK-VF1IC4-NEXT: br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[SCALAR_PH]]
; CHECK-VF1IC4: [[SCALAR_PH]]:
; CHECK-VF1IC4-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ], [ [[A]], %[[ENTRY]] ]
; CHECK-VF1IC4-NEXT: br label %[[LOOP:.*]]
; CHECK-VF1IC4: [[LOOP]]:
; CHECK-VF1IC4-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[RDX:%.*]] = phi i32 [ [[BC_MERGE_RDX]], %[[SCALAR_PH]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-VF1IC4-NEXT: [[CMP_RDX_3:%.*]] = icmp eq i32 [[RDX]], 3
; CHECK-VF1IC4-NEXT: [[SEL]] = select i1 [[CMP_RDX_3]], i32 [[RDX]], i32 [[B]]
; CHECK-VF1IC4-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-VF1IC4-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-VF1IC4-NEXT: br i1 [[EXIT_COND]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP13:![0-9]+]]
; CHECK-VF1IC4: [[EXIT]]:
; CHECK-VF1IC4-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ], [ [[RDX_SELECT]], %[[MIDDLE_BLOCK]] ]
; CHECK-VF1IC4-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ %a, %entry ], [ %sel, %loop ]
%cmp.rdx.3 = icmp eq i32 %rdx, 3
%sel = select i1 %cmp.rdx.3, i32 %rdx, i32 %b
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
;; Negative tests
; We don't support FP reduction variables at the moment.
define float @select_const_f32_from_icmp(ptr %v, i64 %n) {
; CHECK-LABEL: define float @select_const_f32_from_icmp(
; CHECK-SAME: ptr [[V:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[RDX:%.*]] = phi fast float [ 3.000000e+00, %[[ENTRY]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[GEP_V_IV:%.*]] = getelementptr inbounds i32, ptr [[V]], i64 [[IV]]
; CHECK-NEXT: [[LOAD_V_IV:%.*]] = load i32, ptr [[GEP_V_IV]], align 4
; CHECK-NEXT: [[CMP_V_IV_3:%.*]] = icmp eq i32 [[LOAD_V_IV]], 3
; CHECK-NEXT: [[SEL]] = select fast i1 [[CMP_V_IV_3]], float [[RDX]], float 7.000000e+00
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXIT_COND]], label %[[EXIT:.*]], label %[[LOOP]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[SEL_LCSSA:%.*]] = phi float [ [[SEL]], %[[LOOP]] ]
; CHECK-NEXT: ret float [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi fast float [ 3.0, %entry ], [ %sel, %loop ]
%gep.v.iv = getelementptr inbounds i32, ptr %v, i64 %iv
%load.v.iv = load i32, ptr %gep.v.iv, align 4
%cmp.v.iv.3 = icmp eq i32 %load.v.iv, 3
%sel = select fast i1 %cmp.v.iv.3, float %rdx, float 7.0
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret float %sel
}
; We don't support selecting loop-variant values.
define i32 @select_variant_i32_from_icmp(ptr %v1, ptr %v2, i64 %n) {
; CHECK-LABEL: define i32 @select_variant_i32_from_icmp(
; CHECK-SAME: ptr [[V1:%.*]], ptr [[V2:%.*]], i64 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[RDX:%.*]] = phi i32 [ 3, %[[ENTRY]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[GEP_V1_IV:%.*]] = getelementptr inbounds i32, ptr [[V1]], i64 [[IV]]
; CHECK-NEXT: [[LOAD_V1_IV:%.*]] = load i32, ptr [[GEP_V1_IV]], align 4
; CHECK-NEXT: [[GEP_V2_IV:%.*]] = getelementptr inbounds i32, ptr [[V2]], i64 [[IV]]
; CHECK-NEXT: [[LOAD_V2_IV:%.*]] = load i32, ptr [[GEP_V2_IV]], align 4
; CHECK-NEXT: [[CMP_V1_IV_3:%.*]] = icmp eq i32 [[LOAD_V1_IV]], 3
; CHECK-NEXT: [[SEL]] = select i1 [[CMP_V1_IV_3]], i32 [[RDX]], i32 [[LOAD_V2_IV]]
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXIT_COND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXIT_COND]], label %[[EXIT:.*]], label %[[LOOP]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ]
; CHECK-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ 3, %entry ], [ %sel, %loop ]
%gep.v1.iv = getelementptr inbounds i32, ptr %v1, i64 %iv
%load.v1.iv = load i32, ptr %gep.v1.iv, align 4
%gep.v2.iv = getelementptr inbounds i32, ptr %v2, i64 %iv
%load.v2.iv = load i32, ptr %gep.v2.iv, align 4
%cmp.v1.iv.3 = icmp eq i32 %load.v1.iv, 3
%sel = select i1 %cmp.v1.iv.3, i32 %rdx, i32 %load.v2.iv
%iv.next = add nuw nsw i64 %iv, 1
%exit.cond = icmp eq i64 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
; We only support selects where the input comes from the same PHI as the
; reduction PHI. In the example below, the select uses the induction
; variable input and the icmp uses the reduction PHI.
define i32 @select_i32_from_icmp_non_redux_phi(i32 %a, i32 %b, i32 %n) {
; CHECK-LABEL: define i32 @select_i32_from_icmp_non_redux_phi(
; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], i32 [[N:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[RDX:%.*]] = phi i32 [ [[A]], %[[ENTRY]] ], [ [[SEL:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[CMP_RDX_3:%.*]] = icmp eq i32 [[RDX]], 3
; CHECK-NEXT: [[SEL]] = select i1 [[CMP_RDX_3]], i32 [[IV]], i32 [[B]]
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; CHECK-NEXT: [[EXIT_COND:%.*]] = icmp eq i32 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXIT_COND]], label %[[EXIT:.*]], label %[[LOOP]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[SEL_LCSSA:%.*]] = phi i32 [ [[SEL]], %[[LOOP]] ]
; CHECK-NEXT: ret i32 [[SEL_LCSSA]]
;
entry:
br label %loop
loop: ; preds = %entry, %loop
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
%rdx = phi i32 [ %a, %entry ], [ %sel, %loop ]
%cmp.rdx.3 = icmp eq i32 %rdx, 3
%sel = select i1 %cmp.rdx.3, i32 %iv, i32 %b
%iv.next = add nuw nsw i32 %iv, 1
%exit.cond = icmp eq i32 %iv.next, %n
br i1 %exit.cond, label %exit, label %loop
exit: ; preds = %loop
ret i32 %sel
}
;.
; CHECK-VF4IC1: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK-VF4IC1: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK-VF4IC1: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK-VF4IC1: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
; CHECK-VF4IC1: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
; CHECK-VF4IC1: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}
; CHECK-VF4IC1: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
; CHECK-VF4IC1: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]}
; CHECK-VF4IC1: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]}
; CHECK-VF4IC1: [[LOOP9]] = distinct !{[[LOOP9]], [[META2]], [[META1]]}
; CHECK-VF4IC1: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}
; CHECK-VF4IC1: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]}
; CHECK-VF4IC1: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]}
; CHECK-VF4IC1: [[LOOP13]] = distinct !{[[LOOP13]], [[META2]], [[META1]]}
;.
; CHECK-VF4IC4: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK-VF4IC4: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK-VF4IC4: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK-VF4IC4: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
; CHECK-VF4IC4: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
; CHECK-VF4IC4: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}
; CHECK-VF4IC4: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
; CHECK-VF4IC4: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]}
; CHECK-VF4IC4: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]}
; CHECK-VF4IC4: [[LOOP9]] = distinct !{[[LOOP9]], [[META2]], [[META1]]}
; CHECK-VF4IC4: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}
; CHECK-VF4IC4: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]}
; CHECK-VF4IC4: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]}
; CHECK-VF4IC4: [[LOOP13]] = distinct !{[[LOOP13]], [[META2]], [[META1]]}
;.
; CHECK-VF1IC4: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK-VF1IC4: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK-VF1IC4: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK-VF1IC4: [[LOOP3]] = distinct !{[[LOOP3]], [[META1]]}
; CHECK-VF1IC4: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
; CHECK-VF1IC4: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]]}
; CHECK-VF1IC4: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]}
; CHECK-VF1IC4: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]]}
; CHECK-VF1IC4: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]}
; CHECK-VF1IC4: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]]}
; CHECK-VF1IC4: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}
; CHECK-VF1IC4: [[LOOP11]] = distinct !{[[LOOP11]], [[META1]]}
; CHECK-VF1IC4: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]}
; CHECK-VF1IC4: [[LOOP13]] = distinct !{[[LOOP13]], [[META1]]}
;.