1; RUN: opt -S -disable-output -passes="print<demanded-bits>" < %s 2>&1 | FileCheck %s
2
3; CHECK-DAG: DemandedBits: 0xff for   %1 = add nsw i32 %a, 5
4; CHECK-DAG: DemandedBits: 0xff for   %3 = trunc i32 %2 to i8
5; CHECK-DAG: DemandedBits: 0xff for   %2 = mul nsw i32 %1, %b
6; CHECK-DAG: DemandedBits: 0x1 for   %4 = trunc i32 %2 to i1
7; CHECK-DAG: DemandedBits: 0xff for   %5 = zext i1 %4 to i8
8; CHECK-DAG: DemandedBits: 0xff for   %6 = add nsw i8 %3, %5
9; CHECK-DAG: DemandedBits: 0xff for %a in   %1 = add nsw i32 %a, 5
10; CHECK-DAG: DemandedBits: 0xff for 5 in   %1 = add nsw i32 %a, 5
11; CHECK-DAG: DemandedBits: 0xff for %1 in   %2 = mul nsw i32 %1, %b
12; CHECK-DAG: DemandedBits: 0xff for %b in   %2 = mul nsw i32 %1, %b
13; CHECK-DAG: DemandedBits: 0xff for %2 in   %3 = trunc i32 %2 to i8
14; CHECK-DAG: DemandedBits: 0x1 for %2 in   %4 = trunc i32 %2 to i1
15; CHECK-DAG: DemandedBits: 0x1 for %4 in   %5 = zext i1 %4 to i8
16; CHECK-DAG: DemandedBits: 0xff for %3 in   %6 = add nsw i8 %3, %5
17; CHECK-DAG: DemandedBits: 0xff for %5 in   %6 = add nsw i8 %3, %5
18define i8 @test_mul(i32 %a, i32 %b) {
19  %1 = add nsw i32 %a, 5
20  %2 = mul nsw i32 %1, %b
21  %3 = trunc i32 %2 to i8
22  %4 = trunc i32 %2 to i1
23  %5 = zext i1 %4 to i8
24  %6 = add nsw i8 %3, %5
25  ret i8 %6
26}
27