1 # This file tests combining three consecutive ISELs scenario. 2 # RUN: llc -ppc-gen-isel=false -run-pass ppc-expand-isel -o - %s | FileCheck %s 3 4 --- | 5 target datalayout = "E-m:e-i64:64-n32:64" 6 target triple = "powerpc64-unknown-linux-gnu" 7 define signext i32 @testExpandISEL(i32 signext %i, i32 signext %j) { 8 entry: 9 %cmp = icmp sgt i32 %i, 0 10 %add = add nsw i32 %i, 1 11 %cond = select i1 %cmp, i32 %add, i32 %j 12 ret i32 %cond 13 } 14 15 ... 16 --- 17 name: testExpandISEL 18 alignment: 2 19 exposesReturnsTwice: false 20 legalized: false 21 regBankSelected: false 22 selected: false 23 tracksRegLiveness: true 24 liveins: 25 - { reg: '$x3' } 26 - { reg: '$x4' } 27 - { reg: '$x5' } 28 frameInfo: 29 isFrameAddressTaken: false 30 isReturnAddressTaken: false 31 hasStackMap: false 32 hasPatchPoint: false 33 stackSize: 0 34 offsetAdjustment: 0 35 maxAlignment: 0 36 adjustsStack: false 37 hasCalls: false 38 maxCallFrameSize: 0 39 hasOpaqueSPAdjustment: false 40 hasVAStart: false 41 hasMustTailInVarArgFunc: false 42 body: | 43 bb.0.entry: 44 liveins: $x3, $x4, $x5 45 46 $r4 = ADDI $r3, 1 47 $cr0 = CMPWI $r3, 0 48 $r5 = ISEL $r3, $r4, $cr0gt 49 $r3 = ISEL $r4, $r5, $cr0gt 50 $r4 = ISEL $r3, $r5, $cr0gt 51 ; CHECK: BC $cr0gt, %[[TRUE:bb.[0-9]+]] 52 ; CHECK: %[[FALSE:bb.[0-9]+]] 53 ; CHECK: $r5 = ORI $r4, 0 54 ; CHECK: $r3 = ORI $r5, 0 55 ; CHECK: $r4 = ORI $r5, 0 56 ; CHECK: B %[[SUCCESSOR:bb.[0-9]+]] 57 ; CHECK: [[TRUE]] 58 ; CHECK: $r5 = ADDI $r3, 0 59 ; CHECK: $r3 = ADDI $r4, 0 60 ; CHECK: $r4 = ADDI $r3, 0 61 62 $x5 = EXTSW_32_64 $r5 63 $x3 = EXTSW_32_64 $r3 64 65 ... 66
