| Tony Jiang | 8e8c444 | 2017-01-16 20:12:26 +0000 | [diff] [blame] | 1 | # This file tests the scenario: ISEL R0, ZERO, R0, CR |
| 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: '%x0' } |
| 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: %x0, %x3 |
| 44 | |
| 45 | %r5 = ADDI %r3, 1 |
| 46 | %cr0 = CMPWI %r3, 0 |
| 47 | %r0 = ISEL %zero, %r0, %cr0gt |
| 48 | ; CHECK-LABEL: testExpandISEL |
| 49 | ; CHECK: BC %cr0gt, %[[TRUE:bb.[0-9]+]] |
| 50 | ; CHECK-NEXT: B %[[SUCCESSOR:bb.[0-9]+]] |
| 51 | ; CHECK: [[TRUE]] |
| 52 | ; CHECK: %r0 = ADDI %zero, 0 |
| 53 | |
| 54 | %x3 = EXTSW_32_64 %r0 |
| 55 | |
| 56 | ... |
| 57 | |