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      1 ; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
      2 
      3 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"
      4 target triple = "i386-apple-darwin7"
      5 
      6 define i8 @test(i8* %P) nounwind {
      7 ; CHECK: lifetime.start
      8 ; CHECK-NOT: load
      9 ; CHECK: lifetime.end
     10 entry:
     11   call void @llvm.lifetime.start(i64 32, i8* %P)
     12   %0 = load i8, i8* %P
     13   store i8 1, i8* %P
     14   call void @llvm.lifetime.end(i64 32, i8* %P)
     15   %1 = load i8, i8* %P
     16   ret i8 %1
     17 }
     18 
     19 declare void @llvm.lifetime.start(i64 %S, i8* nocapture %P) readonly
     20 declare void @llvm.lifetime.end(i64 %S, i8* nocapture %P)
     21