diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/addnegneg.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/addnegneg.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/addnegneg.ll b/llvm/test/Transforms/InstCombine/addnegneg.ll new file mode 100644 index 00000000000..90f6baf5dd5 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/addnegneg.ll @@ -0,0 +1,11 @@ +; RUN: opt < %s -instcombine -S | grep " sub " | count 1 +; PR2047 + +define i32 @l(i32 %a, i32 %b, i32 %c, i32 %d) { +entry: + %b.neg = sub i32 0, %b ; <i32> [#uses=1] + %c.neg = sub i32 0, %c ; <i32> [#uses=1] + %sub4 = add i32 %c.neg, %b.neg ; <i32> [#uses=1] + %sub6 = add i32 %sub4, %d ; <i32> [#uses=1] + ret i32 %sub6 +} |
