|  | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 | 
|  | ; RUN: opt -p loop-vectorize -mattr=+v -S %s | FileCheck %s | 
|  |  | 
|  | target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128" | 
|  | target triple = "riscv64-unknown-linux-gnu" | 
|  |  | 
|  | define void @test_pr98413_zext_removed(ptr %src, ptr noalias %dst, i64 %x) { | 
|  | ; CHECK-LABEL: define void @test_pr98413_zext_removed( | 
|  | ; CHECK-SAME: ptr [[SRC:%.*]], ptr noalias [[DST:%.*]], i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] { | 
|  | ; CHECK-NEXT:  [[ENTRY:.*:]] | 
|  | ; CHECK-NEXT:    br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] | 
|  | ; CHECK:       [[VECTOR_PH]]: | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 8 x i64> poison, i64 [[X]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 8 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 8 x i64> poison, <vscale x 8 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    [[TMP6:%.*]] = trunc <vscale x 8 x i64> [[BROADCAST_SPLAT]] to <vscale x 8 x i8> | 
|  | ; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]] | 
|  | ; CHECK:       [[VECTOR_BODY]]: | 
|  | ; CHECK-NEXT:    [[TMP7:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ] | 
|  | ; CHECK-NEXT:    [[AVL:%.*]] = phi i64 [ 97, %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] | 
|  | ; CHECK-NEXT:    [[TMP13:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 8, i1 true) | 
|  | ; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i16, ptr [[SRC]], i64 [[TMP7]] | 
|  | ; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = call <vscale x 8 x i16> @llvm.vp.load.nxv8i16.p0(ptr align 8 [[TMP8]], <vscale x 8 x i1> splat (i1 true), i32 [[TMP13]]) | 
|  | ; CHECK-NEXT:    [[TMP10:%.*]] = trunc <vscale x 8 x i16> [[WIDE_LOAD]] to <vscale x 8 x i8> | 
|  | ; CHECK-NEXT:    [[TMP11:%.*]] = and <vscale x 8 x i8> [[TMP6]], [[TMP10]] | 
|  | ; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP7]] | 
|  | ; CHECK-NEXT:    call void @llvm.vp.store.nxv8i8.p0(<vscale x 8 x i8> [[TMP11]], ptr align 1 [[TMP12]], <vscale x 8 x i1> splat (i1 true), i32 [[TMP13]]) | 
|  | ; CHECK-NEXT:    [[TMP14:%.*]] = zext i32 [[TMP13]] to i64 | 
|  | ; CHECK-NEXT:    [[INDEX_EVL_NEXT]] = add nuw i64 [[TMP14]], [[TMP7]] | 
|  | ; CHECK-NEXT:    [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP14]] | 
|  | ; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 | 
|  | ; CHECK-NEXT:    br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] | 
|  | ; CHECK:       [[MIDDLE_BLOCK]]: | 
|  | ; CHECK-NEXT:    br label %[[EXIT:.*]] | 
|  | ; CHECK:       [[SCALAR_PH]]: | 
|  | ; CHECK-NEXT:    br label %[[LOOP:.*]] | 
|  | ; CHECK:       [[LOOP]]: | 
|  | ; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] | 
|  | ; CHECK-NEXT:    [[GEP_SRC:%.*]] = getelementptr inbounds i16, ptr [[SRC]], i64 [[IV]] | 
|  | ; CHECK-NEXT:    [[L:%.*]] = load i16, ptr [[GEP_SRC]], align 8 | 
|  | ; CHECK-NEXT:    [[EXT_L:%.*]] = zext i16 [[L]] to i64 | 
|  | ; CHECK-NEXT:    [[AND:%.*]] = and i64 [[X]], [[EXT_L]] | 
|  | ; CHECK-NEXT:    [[TRUNC_AND:%.*]] = trunc i64 [[AND]] to i8 | 
|  | ; CHECK-NEXT:    [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]] | 
|  | ; CHECK-NEXT:    store i8 [[TRUNC_AND]], ptr [[GEP_DST]], align 1 | 
|  | ; CHECK-NEXT:    [[IV_NEXT]] = add i64 [[IV]], 1 | 
|  | ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV]], 96 | 
|  | ; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP4:![0-9]+]] | 
|  | ; CHECK:       [[EXIT]]: | 
|  | ; CHECK-NEXT:    ret void | 
|  | ; | 
|  | entry: | 
|  | br label %loop | 
|  |  | 
|  | loop: | 
|  | %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] | 
|  | %gep.src = getelementptr inbounds i16, ptr %src, i64 %iv | 
|  | %l = load i16, ptr %gep.src, align 8 | 
|  | %ext.l = zext i16 %l to i64 | 
|  | %and = and i64 %x, %ext.l | 
|  | %trunc.and = trunc i64 %and to i8 | 
|  | %gep.dst = getelementptr inbounds i8, ptr %dst, i64 %iv | 
|  | store i8 %trunc.and, ptr %gep.dst, align 1 | 
|  | %iv.next = add i64 %iv, 1 | 
|  | %exitcond.not = icmp eq i64 %iv, 96 | 
|  | br i1 %exitcond.not, label %exit, label %loop | 
|  |  | 
|  | exit: | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @test_pr98413_sext_removed(ptr %src, ptr noalias %dst, i64 %x) { | 
|  | ; CHECK-LABEL: define void @test_pr98413_sext_removed( | 
|  | ; CHECK-SAME: ptr [[SRC:%.*]], ptr noalias [[DST:%.*]], i64 [[X:%.*]]) #[[ATTR0]] { | 
|  | ; CHECK-NEXT:  [[ENTRY:.*:]] | 
|  | ; CHECK-NEXT:    br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] | 
|  | ; CHECK:       [[VECTOR_PH]]: | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 8 x i64> poison, i64 [[X]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 8 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 8 x i64> poison, <vscale x 8 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    [[TMP6:%.*]] = trunc <vscale x 8 x i64> [[BROADCAST_SPLAT]] to <vscale x 8 x i8> | 
|  | ; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]] | 
|  | ; CHECK:       [[VECTOR_BODY]]: | 
|  | ; CHECK-NEXT:    [[TMP7:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ] | 
|  | ; CHECK-NEXT:    [[AVL:%.*]] = phi i64 [ 97, %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] | 
|  | ; CHECK-NEXT:    [[TMP13:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 8, i1 true) | 
|  | ; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i16, ptr [[SRC]], i64 [[TMP7]] | 
|  | ; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = call <vscale x 8 x i16> @llvm.vp.load.nxv8i16.p0(ptr align 8 [[TMP8]], <vscale x 8 x i1> splat (i1 true), i32 [[TMP13]]) | 
|  | ; CHECK-NEXT:    [[TMP10:%.*]] = trunc <vscale x 8 x i16> [[WIDE_LOAD]] to <vscale x 8 x i8> | 
|  | ; CHECK-NEXT:    [[TMP11:%.*]] = and <vscale x 8 x i8> [[TMP6]], [[TMP10]] | 
|  | ; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[TMP7]] | 
|  | ; CHECK-NEXT:    call void @llvm.vp.store.nxv8i8.p0(<vscale x 8 x i8> [[TMP11]], ptr align 1 [[TMP12]], <vscale x 8 x i1> splat (i1 true), i32 [[TMP13]]) | 
|  | ; CHECK-NEXT:    [[TMP14:%.*]] = zext i32 [[TMP13]] to i64 | 
|  | ; CHECK-NEXT:    [[INDEX_EVL_NEXT]] = add nuw i64 [[TMP14]], [[TMP7]] | 
|  | ; CHECK-NEXT:    [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP14]] | 
|  | ; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 | 
|  | ; CHECK-NEXT:    br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] | 
|  | ; CHECK:       [[MIDDLE_BLOCK]]: | 
|  | ; CHECK-NEXT:    br label %[[EXIT:.*]] | 
|  | ; CHECK:       [[SCALAR_PH]]: | 
|  | ; CHECK-NEXT:    br label %[[LOOP:.*]] | 
|  | ; CHECK:       [[LOOP]]: | 
|  | ; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] | 
|  | ; CHECK-NEXT:    [[GEP_SRC:%.*]] = getelementptr inbounds i16, ptr [[SRC]], i64 [[IV]] | 
|  | ; CHECK-NEXT:    [[L:%.*]] = load i16, ptr [[GEP_SRC]], align 8 | 
|  | ; CHECK-NEXT:    [[EXT_L:%.*]] = sext i16 [[L]] to i64 | 
|  | ; CHECK-NEXT:    [[AND:%.*]] = and i64 [[X]], [[EXT_L]] | 
|  | ; CHECK-NEXT:    [[TRUNC_AND:%.*]] = trunc i64 [[AND]] to i8 | 
|  | ; CHECK-NEXT:    [[GEP_DST:%.*]] = getelementptr inbounds i8, ptr [[DST]], i64 [[IV]] | 
|  | ; CHECK-NEXT:    store i8 [[TRUNC_AND]], ptr [[GEP_DST]], align 1 | 
|  | ; CHECK-NEXT:    [[IV_NEXT]] = add i64 [[IV]], 1 | 
|  | ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV]], 96 | 
|  | ; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP6:![0-9]+]] | 
|  | ; CHECK:       [[EXIT]]: | 
|  | ; CHECK-NEXT:    ret void | 
|  | ; | 
|  | entry: | 
|  | br label %loop | 
|  |  | 
|  | loop: | 
|  | %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] | 
|  | %gep.src = getelementptr inbounds i16, ptr %src, i64 %iv | 
|  | %l = load i16, ptr %gep.src, align 8 | 
|  | %ext.l = sext i16 %l to i64 | 
|  | %and = and i64 %x, %ext.l | 
|  | %trunc.and = trunc i64 %and to i8 | 
|  | %gep.dst = getelementptr inbounds i8, ptr %dst, i64 %iv | 
|  | store i8 %trunc.and, ptr %gep.dst, align 1 | 
|  | %iv.next = add i64 %iv, 1 | 
|  | %exitcond.not = icmp eq i64 %iv, 96 | 
|  | br i1 %exitcond.not, label %exit, label %loop | 
|  |  | 
|  | exit: | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Test case for https://github.com/llvm/llvm-project/issues/106641. | 
|  | define void @truncate_to_i1_used_by_branch(i8 %x, ptr %dst) #0 { | 
|  | ; CHECK-LABEL: define void @truncate_to_i1_used_by_branch( | 
|  | ; CHECK-SAME: i8 [[X:%.*]], ptr [[DST:%.*]]) #[[ATTR1:[0-9]+]] { | 
|  | ; CHECK-NEXT:  [[ENTRY:.*:]] | 
|  | ; CHECK-NEXT:    br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] | 
|  | ; CHECK:       [[VECTOR_PH]]: | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[DST]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT1]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]] | 
|  | ; CHECK:       [[VECTOR_BODY]]: | 
|  | ; CHECK-NEXT:    [[AVL:%.*]] = phi i32 [ 9, %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] | 
|  | ; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 [[AVL]], i32 4, i1 true) | 
|  | ; CHECK-NEXT:    call void @llvm.vp.scatter.nxv4i8.nxv4p0(<vscale x 4 x i8> zeroinitializer, <vscale x 4 x ptr> align 1 [[BROADCAST_SPLAT2]], <vscale x 4 x i1> splat (i1 true), i32 [[TMP6]]) | 
|  | ; CHECK-NEXT:    [[AVL_NEXT]] = sub nuw i32 [[AVL]], [[TMP6]] | 
|  | ; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i32 [[AVL_NEXT]], 0 | 
|  | ; CHECK-NEXT:    br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]] | 
|  | ; CHECK:       [[MIDDLE_BLOCK]]: | 
|  | ; CHECK-NEXT:    br label %[[EXIT:.*]] | 
|  | ; CHECK:       [[SCALAR_PH]]: | 
|  | ; CHECK-NEXT:    br label %[[LOOP_HEADER:.*]] | 
|  | ; CHECK:       [[LOOP_HEADER]]: | 
|  | ; CHECK-NEXT:    [[F_039:%.*]] = phi i8 [ 0, %[[SCALAR_PH]] ], [ [[ADD:%.*]], %[[LOOP_LATCH:.*]] ] | 
|  | ; CHECK-NEXT:    [[TMP4:%.*]] = or i8 23, [[X]] | 
|  | ; CHECK-NEXT:    [[EXTRACT_T:%.*]] = trunc i8 [[TMP4]] to i1 | 
|  | ; CHECK-NEXT:    br i1 [[EXTRACT_T]], label %[[THEN:.*]], label %[[LOOP_LATCH]] | 
|  | ; CHECK:       [[THEN]]: | 
|  | ; CHECK-NEXT:    store i8 0, ptr [[DST]], align 1 | 
|  | ; CHECK-NEXT:    br label %[[LOOP_LATCH]] | 
|  | ; CHECK:       [[LOOP_LATCH]]: | 
|  | ; CHECK-NEXT:    [[ADD]] = add i8 [[F_039]], 1 | 
|  | ; CHECK-NEXT:    [[CONV:%.*]] = sext i8 [[F_039]] to i32 | 
|  | ; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[CONV]], 8 | 
|  | ; CHECK-NEXT:    br i1 [[CMP]], label %[[LOOP_HEADER]], label %[[EXIT]], !llvm.loop [[LOOP8:![0-9]+]] | 
|  | ; CHECK:       [[EXIT]]: | 
|  | ; CHECK-NEXT:    ret void | 
|  | ; | 
|  | entry: | 
|  | br label %loop.header | 
|  |  | 
|  | loop.header: | 
|  | %f.039 = phi i8  [ 0, %entry ], [ %add, %loop.latch ] | 
|  | %0 = or i8 23, %x | 
|  | %extract.t = trunc i8 %0 to i1 | 
|  | br i1 %extract.t, label %then, label %loop.latch | 
|  |  | 
|  | then: | 
|  | store i8 0, ptr %dst, align 1 | 
|  | br label %loop.latch | 
|  |  | 
|  | loop.latch: | 
|  | %add = add i8 %f.039, 1 | 
|  | %conv = sext i8 %f.039 to i32 | 
|  | %cmp = icmp slt i32 %conv, 8 | 
|  | br i1 %cmp, label %loop.header, label %exit | 
|  |  | 
|  | exit: | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; Test case for https://github.com/llvm/llvm-project/issues/107171. | 
|  | define i8 @icmp_ops_narrowed_to_i1() #1 { | 
|  | ; CHECK-LABEL: define i8 @icmp_ops_narrowed_to_i1( | 
|  | ; CHECK-SAME: ) #[[ATTR2:[0-9]+]] { | 
|  | ; CHECK-NEXT:  [[ENTRY:.*]]: | 
|  | ; CHECK-NEXT:    br label %[[LOOP:.*]] | 
|  | ; CHECK:       [[LOOP]]: | 
|  | ; CHECK-NEXT:    [[IV:%.*]] = phi i16 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] | 
|  | ; CHECK-NEXT:    [[C:%.*]] = icmp eq i8 0, 0 | 
|  | ; CHECK-NEXT:    [[EXT:%.*]] = zext i1 [[C]] to i64 | 
|  | ; CHECK-NEXT:    [[SHR:%.*]] = lshr i64 [[EXT]], 1 | 
|  | ; CHECK-NEXT:    [[TRUNC:%.*]] = trunc i64 [[SHR]] to i8 | 
|  | ; CHECK-NEXT:    [[IV_NEXT]] = add i16 [[IV]], 1 | 
|  | ; CHECK-NEXT:    [[EC:%.*]] = icmp eq i16 [[IV_NEXT]], 100 | 
|  | ; CHECK-NEXT:    br i1 [[EC]], label %[[EXIT:.*]], label %[[LOOP]] | 
|  | ; CHECK:       [[EXIT]]: | 
|  | ; CHECK-NEXT:    [[TRUNC_LCSSA:%.*]] = phi i8 [ [[TRUNC]], %[[LOOP]] ] | 
|  | ; CHECK-NEXT:    ret i8 [[TRUNC_LCSSA]] | 
|  | ; | 
|  | entry: | 
|  | br label %loop | 
|  |  | 
|  | loop: | 
|  | %iv = phi i16 [ 0, %entry ], [ %iv.next, %loop ] | 
|  | %c = icmp eq i8 0, 0 | 
|  | %ext = zext i1 %c to i64 | 
|  | %shr = lshr i64 %ext, 1 | 
|  | %trunc = trunc i64 %shr to i8 | 
|  | %iv.next = add i16 %iv, 1 | 
|  | %ec = icmp eq i16 %iv.next, 100 | 
|  | br i1 %ec, label %exit, label %loop | 
|  |  | 
|  | exit: | 
|  | ret i8 %trunc | 
|  | } | 
|  |  | 
|  | define void @icmp_only_first_op_truncated(ptr noalias %dst, i32 %x, i64 %N, i64 %v, ptr noalias %src) #1 { | 
|  | ; CHECK-LABEL: define void @icmp_only_first_op_truncated( | 
|  | ; CHECK-SAME: ptr noalias [[DST:%.*]], i32 [[X:%.*]], i64 [[N:%.*]], i64 [[V:%.*]], ptr noalias [[SRC:%.*]]) #[[ATTR2]] { | 
|  | ; CHECK-NEXT:  [[ENTRY:.*:]] | 
|  | ; CHECK-NEXT:    [[T:%.*]] = trunc i64 [[N]] to i32 | 
|  | ; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[V]], 1 | 
|  | ; CHECK-NEXT:    br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] | 
|  | ; CHECK:       [[VECTOR_PH]]: | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 2 x i64> poison, i64 [[N]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 2 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <vscale x 2 x i32> poison, i32 [[T]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT2:%.*]] = shufflevector <vscale x 2 x i32> [[BROADCAST_SPLATINSERT1]], <vscale x 2 x i32> poison, <vscale x 2 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    [[TMP7:%.*]] = trunc <vscale x 2 x i64> [[BROADCAST_SPLAT]] to <vscale x 2 x i32> | 
|  | ; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq <vscale x 2 x i32> [[TMP7]], [[BROADCAST_SPLAT2]] | 
|  | ; CHECK-NEXT:    [[TMP9:%.*]] = zext i32 [[X]] to i64 | 
|  | ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr double, ptr [[SRC]], i64 [[TMP9]] | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT6:%.*]] = insertelement <vscale x 2 x ptr> poison, ptr [[TMP10]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT4:%.*]] = shufflevector <vscale x 2 x ptr> [[BROADCAST_SPLATINSERT6]], <vscale x 2 x ptr> poison, <vscale x 2 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <vscale x 2 x ptr> poison, ptr [[DST]], i64 0 | 
|  | ; CHECK-NEXT:    [[BROADCAST_SPLAT6:%.*]] = shufflevector <vscale x 2 x ptr> [[BROADCAST_SPLATINSERT3]], <vscale x 2 x ptr> poison, <vscale x 2 x i32> zeroinitializer | 
|  | ; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]] | 
|  | ; CHECK:       [[VECTOR_BODY]]: | 
|  | ; CHECK-NEXT:    [[AVL:%.*]] = phi i64 [ [[TMP0]], %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ] | 
|  | ; CHECK-NEXT:    [[TMP14:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[AVL]], i32 2, i1 true) | 
|  | ; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 2 x double> @llvm.vp.gather.nxv2f64.nxv2p0(<vscale x 2 x ptr> align 8 [[BROADCAST_SPLAT4]], <vscale x 2 x i1> [[TMP8]], i32 [[TMP14]]) | 
|  | ; CHECK-NEXT:    call void @llvm.vp.scatter.nxv2f64.nxv2p0(<vscale x 2 x double> [[WIDE_MASKED_GATHER]], <vscale x 2 x ptr> align 8 [[BROADCAST_SPLAT6]], <vscale x 2 x i1> [[TMP8]], i32 [[TMP14]]) | 
|  | ; CHECK-NEXT:    [[TMP11:%.*]] = zext i32 [[TMP14]] to i64 | 
|  | ; CHECK-NEXT:    [[AVL_NEXT]] = sub nuw i64 [[AVL]], [[TMP11]] | 
|  | ; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[AVL_NEXT]], 0 | 
|  | ; CHECK-NEXT:    br i1 [[TMP12]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] | 
|  | ; CHECK:       [[MIDDLE_BLOCK]]: | 
|  | ; CHECK-NEXT:    br label %[[EXIT:.*]] | 
|  | ; CHECK:       [[SCALAR_PH]]: | 
|  | ; CHECK-NEXT:    br label %[[LOOP_HEADER:.*]] | 
|  | ; CHECK:       [[LOOP_HEADER]]: | 
|  | ; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ 0, %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ] | 
|  | ; CHECK-NEXT:    [[T1:%.*]] = trunc i64 [[N]] to i32 | 
|  | ; CHECK-NEXT:    [[C:%.*]] = icmp eq i32 [[T1]], [[T]] | 
|  | ; CHECK-NEXT:    br i1 [[C]], label %[[THEN:.*]], label %[[LOOP_LATCH]] | 
|  | ; CHECK:       [[THEN]]: | 
|  | ; CHECK-NEXT:    [[IDXPROM:%.*]] = zext i32 [[X]] to i64 | 
|  | ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr double, ptr [[SRC]], i64 [[IDXPROM]] | 
|  | ; CHECK-NEXT:    [[RETVAL:%.*]] = load double, ptr [[ARRAYIDX]], align 8 | 
|  | ; CHECK-NEXT:    store double [[RETVAL]], ptr [[DST]], align 8 | 
|  | ; CHECK-NEXT:    br label %[[LOOP_LATCH]] | 
|  | ; CHECK:       [[LOOP_LATCH]]: | 
|  | ; CHECK-NEXT:    [[IV_NEXT]] = add i64 [[IV]], 1 | 
|  | ; CHECK-NEXT:    [[EC:%.*]] = icmp eq i64 [[IV]], [[V]] | 
|  | ; CHECK-NEXT:    br i1 [[EC]], label %[[EXIT]], label %[[LOOP_HEADER]], !llvm.loop [[LOOP10:![0-9]+]] | 
|  | ; CHECK:       [[EXIT]]: | 
|  | ; CHECK-NEXT:    ret void | 
|  | ; | 
|  | entry: | 
|  | %t = trunc i64 %N to i32 | 
|  | br label %loop.header | 
|  |  | 
|  | loop.header: | 
|  | %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] | 
|  | %t1 = trunc i64 %N to i32 | 
|  | %c = icmp eq i32 %t1, %t | 
|  | br i1 %c, label %then, label %loop.latch | 
|  |  | 
|  | then: | 
|  | %idxprom = zext i32 %x to i64 | 
|  | %arrayidx = getelementptr double, ptr %src, i64 %idxprom | 
|  | %retval = load double, ptr %arrayidx, align 8 | 
|  | store double %retval, ptr %dst, align 8 | 
|  | br label %loop.latch | 
|  |  | 
|  | loop.latch: | 
|  | %iv.next = add i64 %iv, 1 | 
|  | %ec = icmp eq i64 %iv, %v | 
|  | br i1 %ec, label %exit, label %loop.header | 
|  |  | 
|  | exit: | 
|  | ret void | 
|  | } | 
|  |  | 
|  | attributes #0 = { "target-features"="+64bit,+v,+zvl256b" } | 
|  | attributes #1 = { "target-features"="+64bit,+v" } | 
|  |  | 
|  | ;. | 
|  | ; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]], [[META3:![0-9]+]]} | 
|  | ; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} | 
|  | ; CHECK: [[META2]] = !{!"llvm.loop.isvectorized.tailfoldingstyle", !"evl"} | 
|  | ; CHECK: [[META3]] = !{!"llvm.loop.unroll.runtime.disable"} | 
|  | ; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META3]], [[META1]]} | 
|  | ; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]], [[META3]]} | 
|  | ; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META3]], [[META1]]} | 
|  | ; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]], [[META2]], [[META3]]} | 
|  | ; CHECK: [[LOOP8]] = distinct !{[[LOOP8]], [[META3]], [[META1]]} | 
|  | ; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]], [[META2]], [[META3]]} | 
|  | ; CHECK: [[LOOP10]] = distinct !{[[LOOP10]], [[META3]], [[META1]]} | 
|  | ;. |