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* The DSE code that tested for overlapping needed to take into account the fact

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that one of the numbers is signed while the other is unsigned. This could lead
  to a wrong result when the signed was promoted to an unsigned int.

* Add the data layout line to the testcase so that it will test the appropriate
  thing.

Patch by David Terei!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128577 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2011-03-30 21:37:19 +00:00
parent 81bd78b897
commit 31d244ead5
2 changed files with 4 additions and 1 deletions
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test/Transforms/DeadStoreElimination/2011-03-25-DSEMiscompile.ll
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@@ -1,5 +1,6 @@
; RUN: opt < %s -basicaa -dse -S | FileCheck %s
; PR9561
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-n8:16:32"
target triple = "i386-apple-darwin9.8"
@A = external global [0 x i32]