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Diffstat (limited to 'test/Transforms/Reassociate/min_int.ll')
| -rw-r--r-- | test/Transforms/Reassociate/min_int.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/min_int.ll b/test/Transforms/Reassociate/min_int.ll new file mode 100644 index 0000000..52dab3a --- /dev/null +++ b/test/Transforms/Reassociate/min_int.ll @@ -0,0 +1,13 @@ +; RUN: opt < %s -reassociate -dce -S | FileCheck %s + +; MIN_INT cannot be negated during reassociation + +define i32 @minint(i32 %i) { +; CHECK: %mul = mul i32 %i, -2147483648 +; CHECK-NEXT: %add = add i32 %mul, 1 +; CHECK-NEXT: ret i32 %add + %mul = mul i32 %i, -2147483648 + %add = add i32 %mul, 1 + ret i32 %add +} + |