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| author | Chris Lattner <sabre@nondot.org> | 2008-01-29 19:01:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-01-29 19:01:37 +0000 |
| commit | 75a2db813395e577d844d0996b4528010ee09e1d (patch) | |
| tree | caa11d95db7518da145c405ec09b9f541d510827 /test/Transforms/GlobalOpt | |
| parent | 58401bbcc01606be38e90387ad4c9f23ab021604 (diff) | |
| download | external_llvm-75a2db813395e577d844d0996b4528010ee09e1d.zip external_llvm-75a2db813395e577d844d0996b4528010ee09e1d.tar.gz external_llvm-75a2db813395e577d844d0996b4528010ee09e1d.tar.bz2 | |
Don't let globalopt hack on volatile loads or stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46523 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GlobalOpt')
| -rw-r--r-- | test/Transforms/GlobalOpt/2008-01-29-VolatileGlobal.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/2008-01-29-VolatileGlobal.ll b/test/Transforms/GlobalOpt/2008-01-29-VolatileGlobal.ll new file mode 100644 index 0000000..0a8dd49 --- /dev/null +++ b/test/Transforms/GlobalOpt/2008-01-29-VolatileGlobal.ll @@ -0,0 +1,9 @@ +; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep {volatile load} +@t0.1441 = internal global double 0x3FD5555555555555, align 8 ; <double*> [#uses=1] + +define double @foo() nounwind { +entry: + %tmp1 = volatile load double* @t0.1441, align 8 ; <double> [#uses=2] + %tmp4 = mul double %tmp1, %tmp1 ; <double> [#uses=1] + ret double %tmp4 +} |