diff options
Diffstat (limited to 'llvm/test/Analysis/DemandedBits/basic.ll')
| -rw-r--r-- | llvm/test/Analysis/DemandedBits/basic.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/Analysis/DemandedBits/basic.ll b/llvm/test/Analysis/DemandedBits/basic.ll new file mode 100644 index 00000000000..3fd1b321288 --- /dev/null +++ b/llvm/test/Analysis/DemandedBits/basic.ll @@ -0,0 +1,12 @@ +; RUN: opt -S -demanded-bits -analyze < %s | FileCheck %s + +; CHECK-LABEL: 'test_mul' +; CHECK-DAG: DemandedBits: 0xFF for %1 = add nsw i32 %a, 5 +; CHECK-DAG: DemandedBits: 0xFF for %3 = trunc i32 %2 to i8 +; CHECK-DAG: DemandedBits: 0xFF for %2 = mul nsw i32 %1, %b +define i8 @test_mul(i32 %a, i32 %b) { + %1 = add nsw i32 %a, 5 + %2 = mul nsw i32 %1, %b + %3 = trunc i32 %2 to i8 + ret i8 %3 +} |
