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| author | Chris Lattner <sabre@nondot.org> | 2003-12-14 04:46:07 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-12-14 04:46:07 +0000 |
| commit | 15beaf7d6548364036c6e92f7b29d129988757f0 (patch) | |
| tree | cc57b20cdca58dd5ff390b423943072fb03d4212 /test/Transforms/LICM | |
| parent | 94743e4915eb9a7d9c2dd57862e6634e9ece8eb5 (diff) | |
| download | llvm-15beaf7d6548364036c6e92f7b29d129988757f0.tar.gz llvm-15beaf7d6548364036c6e92f7b29d129988757f0.tar.bz2 llvm-15beaf7d6548364036c6e92f7b29d129988757f0.tar.xz | |
Testcase for PR179
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10455 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LICM')
| -rw-r--r-- | test/Transforms/LICM/2003-12-13-VolatilePromote.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/LICM/2003-12-13-VolatilePromote.ll b/test/Transforms/LICM/2003-12-13-VolatilePromote.ll new file mode 100644 index 0000000000..fad03bf75e --- /dev/null +++ b/test/Transforms/LICM/2003-12-13-VolatilePromote.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 volatile | grep Loop + +%X = global int 7 + +void %testfunc(int %i) { + br label %Loop + +Loop: + %x = volatile load int* %X ; Should not promote this to a register + %x2 = add int %x, 1 + store int %x2, int* %X + br bool true, label %Out, label %Loop + +Out: + ret void +} + |