82 lines
3.4 KiB
LLVM
82 lines
3.4 KiB
LLVM
; RUN: opt -S -scalable-vectorization=on -force-target-supports-scalable-vectors=true -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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; Make sure we can vectorize loops which contain lifetime markers.
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define void @test(i32 *%d) {
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; CHECK-LABEL: @test(
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; CHECK: entry:
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; CHECK: [[ALLOCA:%.*]] = alloca [1024 x i32], align 16
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; CHECK-NEXT: [[BC:%.*]] = bitcast [1024 x i32]* [[ALLOCA]] to i8*
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; CHECK: vector.body:
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; CHECK: call void @llvm.lifetime.end.p0i8(i64 4096, i8* [[BC]])
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; CHECK: store <vscale x 2 x i32>
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; CHECK: call void @llvm.lifetime.start.p0i8(i64 4096, i8* [[BC]])
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entry:
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%arr = alloca [1024 x i32], align 16
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%0 = bitcast [1024 x i32]* %arr to i8*
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call void @llvm.lifetime.start.p0i8(i64 4096, i8* %0) #1
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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call void @llvm.lifetime.end.p0i8(i64 4096, i8* %0) #1
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%arrayidx = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
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%1 = load i32, i32* %arrayidx, align 8
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store i32 100, i32* %arrayidx, align 8
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call void @llvm.lifetime.start.p0i8(i64 4096, i8* %0) #1
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp ne i32 %lftr.wideiv, 128
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br i1 %exitcond, label %for.body, label %for.end, !llvm.loop !0
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for.end:
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call void @llvm.lifetime.end.p0i8(i64 4096, i8* %0) #1
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ret void
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}
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; CHECK-LABEL: @testloopvariant(
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; CHECK: entry:
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; CHECK: [[ALLOCA:%.*]] = alloca [1024 x i32], align 16
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; CHECK: vector.ph:
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; CHECK: [[TMP1:%.*]] = insertelement <vscale x 2 x [1024 x i32]*> poison, [1024 x i32]* %arr, i32 0
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; CHECK-NEXT: [[SPLAT_ALLOCA:%.*]] = shufflevector <vscale x 2 x [1024 x i32]*> [[TMP1]], <vscale x 2 x [1024 x i32]*> poison, <vscale x 2 x i32> zeroinitializer
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; CHECK: vector.body:
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; CHECK: [[BC_ALLOCA:%.*]] = bitcast <vscale x 2 x [1024 x i32]*> [[SPLAT_ALLOCA]] to <vscale x 2 x i8*>
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; CHECK-NEXT: [[ONE_LIFETIME:%.*]] = extractelement <vscale x 2 x i8*> [[BC_ALLOCA]], i32 0
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; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4096, i8* [[ONE_LIFETIME]])
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; CHECK: store <vscale x 2 x i32>
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; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4096, i8* [[ONE_LIFETIME]])
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define void @testloopvariant(i32 *%d) {
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entry:
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%arr = alloca [1024 x i32], align 16
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%0 = getelementptr [1024 x i32], [1024 x i32]* %arr, i32 0, i64 %indvars.iv
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%1 = bitcast [1024 x i32]* %arr to i8*
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call void @llvm.lifetime.end.p0i8(i64 4096, i8* %1) #1
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%arrayidx = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
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%2 = load i32, i32* %arrayidx, align 8
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store i32 100, i32* %arrayidx, align 8
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call void @llvm.lifetime.start.p0i8(i64 4096, i8* %1) #1
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp ne i32 %lftr.wideiv, 128
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br i1 %exitcond, label %for.body, label %for.end, !llvm.loop !0
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for.end:
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ret void
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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!0 = distinct !{!0, !1}
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!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
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