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9ff5a23186
per Chris' comments. Adjust testcases to match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90304 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
621 B
LLVM
20 lines
621 B
LLVM
; RUN: opt < %s -gvn -S | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin7"
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define i8 @test(i8* %P) nounwind {
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; CHECK: lifetime.start
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; CHECK-NOT: load
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; CHECK: lifetime.end
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entry:
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call void @llvm.lifetime.start(i64 32, i8* %P)
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%0 = load i8* %P
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store i8 1, i8* %P
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call void @llvm.lifetime.end(i64 32, i8* %P)
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%1 = load i8* %P
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ret i8 %1
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}
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declare {}* @llvm.lifetime.start(i64 %S, i8* nocapture %P) readonly
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declare void @llvm.lifetime.end(i64 %S, i8* nocapture %P) |