|  | # This file tests the scenario when ISEL is the last instruction of the last | 
|  | # Basic Block, i.e., the BB cannot fall through to its successor situation. | 
|  | # RUN: llc -ppc-gen-isel=false -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: '$x0' } | 
|  | - { reg: '$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: $x0, $x3 | 
|  |  | 
|  | $r5 = ADDI $r3, 1 | 
|  | $cr0 = CMPWI $r3, 0 | 
|  | $r3 = ISEL $zero, $r0, $cr0gt | 
|  | ; CHECK: BC $cr0gt, %[[TRUE:bb.[0-9]+]] | 
|  | ; CHECK: %[[FALSE:bb.[0-9]+]] | 
|  | ; CHECK: $r3 = ORI $r0, 0 | 
|  | ; CHECK: B %[[SUCCESSOR:bb.[0-9]+]] | 
|  | ; CHECK: [[TRUE]] | 
|  | ; CHECK: $r3 = ADDI $zero, 0 | 
|  |  | 
|  |  | 
|  | ... |