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      1 # This file tests the scenario when ISEL is the last instruction of the last
      2 # Basic Block, i.e., the BB cannot fall through to its successor situation.
      3 # RUN: llc -ppc-gen-isel=false -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: '$x0' }
     27   - { reg: '$x3' }
     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: $x0, $x3
     45 
     46     $r5 = ADDI $r3, 1
     47     $cr0 = CMPWI $r3, 0
     48     $r3 = ISEL $zero, $r0, $cr0gt
     49     ; CHECK: BC $cr0gt, %[[TRUE:bb.[0-9]+]]
     50     ; CHECK: %[[FALSE:bb.[0-9]+]]
     51     ; CHECK: $r3 = ORI $r0, 0
     52     ; CHECK: B %[[SUCCESSOR:bb.[0-9]+]]
     53     ; CHECK: [[TRUE]]
     54     ; CHECK: $r3 = ADDI $zero, 0
     55 
     56 
     57 ...
     58