; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s ; Test that we recognize that an 'and' instruction that feeds a comparison ; to zero can be simplifed by using the record form when one of its operands ; is known to be zero extended. @k = local_unnamed_addr global i32 0, align 4 ; Function Attrs: norecurse nounwind define signext i32 @cmplwi(i32* nocapture readonly %p, i32* nocapture readonly %q, i32 signext %j, i32 signext %r10) { entry: %0 = load i32, i32* %q, align 4 %shl = shl i32 %0, %j %1 = load i32, i32* %p, align 4 %and = and i32 %shl, %r10 %and1 = and i32 %and, %1 %tobool = icmp eq i32 %and1, 0 br i1 %tobool, label %cleanup, label %if.then if.then: store i32 %j, i32* @k, align 4 br label %cleanup cleanup: %retval.0 = phi i32 [ 0, %if.then ], [ 1, %entry ] ret i32 %retval.0 } ; CHECK-LABEL: cmplwi: ; CHECK: lwz [[T1:[0-9]+]], 0(3) ; CHECK: and. {{[0-9]+}}, {{[0-9]+}}, [[T1]] ; CHECK-NOT: cmplwi ; CHECK-NEXT: beq 0,