derek.holloway
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64 lines
2.0 KiB
LLVM
64 lines
2.0 KiB
LLVM
; RUN: opt -S -passes=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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; CHECK-LABEL: @test(
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; CHECK: call void @llvm.lifetime.end
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; CHECK: store <2 x i32>
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; CHECK: call void @llvm.lifetime.start
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define void @test(ptr %d) {
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entry:
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%arr = alloca [1024 x i32], align 16
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call void @llvm.lifetime.start.p0(ptr %arr)
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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.p0(ptr %arr)
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%arrayidx = getelementptr inbounds i32, ptr %d, i64 %indvars.iv
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%0 = load i32, ptr %arrayidx, align 8
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store i32 100, ptr %arrayidx, align 8
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call void @llvm.lifetime.start.p0(ptr %arr)
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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
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for.end:
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call void @llvm.lifetime.end.p0(ptr %arr)
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ret void
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}
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; CHECK-LABEL: @testbitcast(
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; CHECK: call void @llvm.lifetime.end
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; CHECK: store <2 x i32>
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; CHECK: call void @llvm.lifetime.start
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define void @testbitcast(ptr %d) {
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entry:
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%arr = alloca [1024 x i32], align 16
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call void @llvm.lifetime.start.p0(ptr %arr)
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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.p0(ptr %arr)
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%arrayidx = getelementptr inbounds i32, ptr %d, i64 %indvars.iv
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%0 = load i32, ptr %arrayidx, align 8
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store i32 100, ptr %arrayidx, align 8
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call void @llvm.lifetime.start.p0(ptr %arr)
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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
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for.end:
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call void @llvm.lifetime.end.p0(ptr %arr)
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ret void
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}
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