diff options
Diffstat (limited to 'test/CodeGen/X86/store_op_load_fold.ll')
| -rw-r--r-- | test/CodeGen/X86/store_op_load_fold.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/store_op_load_fold.ll b/test/CodeGen/X86/store_op_load_fold.ll new file mode 100644 index 0000000..66d0e47 --- /dev/null +++ b/test/CodeGen/X86/store_op_load_fold.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -march=x86 | not grep mov +; +; Test the add and load are folded into the store instruction. + +@X = internal global i16 0 ; <i16*> [#uses=2] + +define void @foo() { + %tmp.0 = load i16* @X ; <i16> [#uses=1] + %tmp.3 = add i16 %tmp.0, 329 ; <i16> [#uses=1] + store i16 %tmp.3, i16* @X + ret void +} + |