; RUN: opt -S -disable-output -passes="print<demanded-bits>" < %s 2>&1 | FileCheck %s ; 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 ; CHECK-DAG: DemandedBits: 0x1 for %4 = trunc i32 %2 to i1 ; CHECK-DAG: DemandedBits: 0xff for %5 = zext i1 %4 to i8 ; CHECK-DAG: DemandedBits: 0xff for %6 = add nsw i8 %3, %5 ; CHECK-DAG: DemandedBits: 0xff for %a in %1 = add nsw i32 %a, 5 ; CHECK-DAG: DemandedBits: 0xff for 5 in %1 = add nsw i32 %a, 5 ; CHECK-DAG: DemandedBits: 0xff for %1 in %2 = mul nsw i32 %1, %b ; CHECK-DAG: DemandedBits: 0xff for %b in %2 = mul nsw i32 %1, %b ; CHECK-DAG: DemandedBits: 0xff for %2 in %3 = trunc i32 %2 to i8 ; CHECK-DAG: DemandedBits: 0x1 for %2 in %4 = trunc i32 %2 to i1 ; CHECK-DAG: DemandedBits: 0x1 for %4 in %5 = zext i1 %4 to i8 ; CHECK-DAG: DemandedBits: 0xff for %3 in %6 = add nsw i8 %3, %5 ; CHECK-DAG: DemandedBits: 0xff for %5 in %6 = add nsw i8 %3, %5 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 %4 = trunc i32 %2 to i1 %5 = zext i1 %4 to i8 %6 = add nsw i8 %3, %5 ret i8 %6 }