source: icGREP/icgrep-devel/llvm-3.8.0.src/test/Analysis/DemandedBits/basic.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 399 bytes
Line 
1; RUN: opt -S -demanded-bits -analyze < %s | FileCheck %s
2
3; CHECK-LABEL: 'test_mul'
4; CHECK-DAG: DemandedBits: 0xFF for   %1 = add nsw i32 %a, 5
5; CHECK-DAG: DemandedBits: 0xFF for   %3 = trunc i32 %2 to i8
6; CHECK-DAG: DemandedBits: 0xFF for   %2 = mul nsw i32 %1, %b
7define i8 @test_mul(i32 %a, i32 %b) {
8  %1 = add nsw i32 %a, 5
9  %2 = mul nsw i32 %1, %b
10  %3 = trunc i32 %2 to i8
11  ret i8 %3
12}
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