; 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 }