1 # This file tests the scenario: ISEL RX, RX, RX, CR (X != 0), 2 # which is redudant and removed. 3 # RUN: llc -ppc-gen-isel=true -run-pass ppc-expand-isel -o - %s | FileCheck %s 4 5 --- | 6 target datalayout = "E-m:e-i64:64-n32:64" 7 target triple = "powerpc64-unknown-linux-gnu" 8 define signext i32 @testExpandISEL(i32 signext %i, i32 signext %j) { 9 entry: 10 %cmp = icmp sgt i32 %i, 0 11 %add = add nsw i32 %i, 1 12 %cond = select i1 %cmp, i32 %add, i32 %j 13 ret i32 %cond 14 } 15 16 ... 17 --- 18 name: testExpandISEL 19 alignment: 2 20 exposesReturnsTwice: false 21 legalized: false 22 regBankSelected: false 23 selected: false 24 tracksRegLiveness: true 25 liveins: 26 - { reg: '$x3' } 27 frameInfo: 28 isFrameAddressTaken: false 29 isReturnAddressTaken: false 30 hasStackMap: false 31 hasPatchPoint: false 32 stackSize: 0 33 offsetAdjustment: 0 34 maxAlignment: 0 35 adjustsStack: false 36 hasCalls: false 37 maxCallFrameSize: 0 38 hasOpaqueSPAdjustment: false 39 hasVAStart: false 40 hasMustTailInVarArgFunc: false 41 body: | 42 bb.0.entry: 43 liveins: $x3 44 45 $r5 = ADDI $r3, 1 46 $cr0 = CMPWI $r3, 0 47 $r3 = ISEL $r3, $r3, $cr0gt 48 $x3 = EXTSW_32_64 $r3 49 ; CHECK: $r5 = ADDI $r3, 1 50 ; CHECK: $cr0 = CMPWI $r3, 0 51 ; CHECK-NOT: $r3 = ISEL $r3, $r3, $cr0gt 52 ; CHECK: $x3 = EXTSW_32_64 $r3 53 54 ... 55
