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- ; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
- 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"
- target triple = "i386-apple-darwin7"
- define i8 @test(i8* %P) nounwind {
- ; CHECK: lifetime.start
- ; CHECK-NOT: load
- ; CHECK: lifetime.end
- entry:
- call void @llvm.lifetime.start(i64 32, i8* %P)
- %0 = load i8, i8* %P
- store i8 1, i8* %P
- call void @llvm.lifetime.end(i64 32, i8* %P)
- %1 = load i8, i8* %P
- ret i8 %1
- }
- declare void @llvm.lifetime.start(i64 %S, i8* nocapture %P) readonly
- declare void @llvm.lifetime.end(i64 %S, i8* nocapture %P)
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