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Diffstat (limited to 'test/Transforms/Reassociate/absorption.ll')
| -rw-r--r-- | test/Transforms/Reassociate/absorption.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/absorption.ll b/test/Transforms/Reassociate/absorption.ll new file mode 100644 index 0000000..2ccc2b5 --- /dev/null +++ b/test/Transforms/Reassociate/absorption.ll @@ -0,0 +1,11 @@ +; RUN: opt -S -reassociate < %s | FileCheck %s + +; Check that if constants combine to an absorbing value then the expression is +; evaluated as the absorbing value. +define i8 @foo(i8 %x) { + %tmp1 = or i8 %x, 127 + %tmp2 = or i8 %tmp1, 128 + ret i8 %tmp2 +; CHECK: @foo +; CHECK: ret i8 -1 +} |
