# This file tests the scenario: ISEL RX, RX, RX, CR (X != 0), # which is redudant and removed. # RUN: llc -ppc-gen-isel=true -run-pass ppc-expand-isel -o - %s | FileCheck %s --- | target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64-unknown-linux-gnu" define signext i32 @testExpandISEL(i32 signext %i, i32 signext %j) { entry: %cmp = icmp sgt i32 %i, 0 %add = add nsw i32 %i, 1 %cond = select i1 %cmp, i32 %add, i32 %j ret i32 %cond } ... --- name: testExpandISEL alignment: 2 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%x3' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0.entry: liveins: %x3 %r5 = ADDI %r3, 1 %cr0 = CMPWI %r3, 0 %r3 = ISEL %r3, %r3, %cr0gt %x3 = EXTSW_32_64 %r3 ; CHECK: %r5 = ADDI %r3, 1 ; CHECK: %cr0 = CMPWI %r3, 0 ; CHECK-NOT: %r3 = ISEL %r3, %r3, %cr0gt ; CHECK: %x3 = EXTSW_32_64 %r3 ...