diff options
| -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 +} + |