55 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			YAML
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			YAML
		
	
	
	
# This file tests the scenario: ISEL RX, RY, RY, CR  (X != 0 && Y != 0)
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# It is folded into a copy (%RX = OR %RY, %RY)
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# RUN: llc -ppc-gen-isel=true -run-pass ppc-expand-isel -o - %s | FileCheck %s
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--- |
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  target datalayout = "E-m:e-i64:64-n32:64"
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  target triple = "powerpc64-unknown-linux-gnu"
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  define signext i32 @testExpandISEL(i32 signext %i, i32 signext %j) {
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  entry:
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    %cmp = icmp sgt i32 %i, 0
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    %add = add nsw i32 %i, 1
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    %cond = select i1 %cmp, i32 %add, i32 %j
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    ret i32 %cond
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  }  
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...
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---
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name:            testExpandISEL
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alignment:       4
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exposesReturnsTwice: false
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legalized:       false
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regBankSelected: false
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selected:        false
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tracksRegLiveness: true
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liveins:
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  - { reg: '$x3' }
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  - { reg: '$x4' }
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frameInfo:
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  isFrameAddressTaken: false
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  isReturnAddressTaken: false
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  hasStackMap:     false
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  hasPatchPoint:   false
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  stackSize:       0
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  offsetAdjustment: 0
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  maxAlignment:    0
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  adjustsStack:    false
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  hasCalls:        false
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  maxCallFrameSize: 0
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  hasOpaqueSPAdjustment: false
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  hasVAStart:      false
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  hasMustTailInVarArgFunc: false
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body:             |
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  bb.0.entry:
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    liveins: $x3, $x4
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    $r5 = ADDI $r3, 1
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    $cr0 = CMPWI $r3, 0
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    $r3 = ISEL $r4, $r4, $cr0gt
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    ; Test fold ISEL to a copy
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    ; CHECK: $r3 = OR $r4, $r4
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    $x3 = EXTSW_32_64  $r3  
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...
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