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	1. The ST*UX instructions that store and update the stack pointer did not set define/kill on R1. This became a problem when I activated post-RA scheduling (and had incorrectly adjusted the Frames-large test). 2. eliminateFrameIndex did not kill its scavenged temporary register, and this could cause the scavenger to exhaust all available registers (and its emergency spill slot) when there were a lot of CR values to spill. The 2010-02-12-saveCR test has been adjusted to check for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147359 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			56 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llvm-as < %s > %t.bc
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| ; RUN: llc < %t.bc -march=ppc32 | FileCheck %s -check-prefix=PPC32-NOFP
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| ; RUN: llc < %t.bc -march=ppc32 -disable-fp-elim | FileCheck %s -check-prefix=PPC32-FP
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| 
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| ; RUN: llc < %t.bc -march=ppc64 | FileCheck %s -check-prefix=PPC64-NOFP
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| ; RUN: llc < %t.bc -march=ppc64 -disable-fp-elim | FileCheck %s -check-prefix=PPC64-FP
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| 
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| 
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| target triple = "powerpc-apple-darwin8"
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| 
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| define i32* @f1() nounwind {
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|         %tmp = alloca i32, i32 8191             ; <i32*> [#uses=1]
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|         ret i32* %tmp
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| }
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| 
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| ; PPC32-NOFP: _f1:
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| ; PPC32-NOFP: 	lis r0, -1
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| ; PPC32-NOFP: 	ori r0, r0, 32704
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| ; PPC32-NOFP: 	stwux r1, r1, r0
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| ; PPC32-NOFP: 	addi r3, r1, 68
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| ; PPC32-NOFP: 	lwz r1, 0(r1)
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| ; PPC32-NOFP: 	blr 
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| 
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| 
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| ; PPC32-FP: _f1:
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| ; PPC32-FP:	lis r0, -1
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| ; PPC32-FP:	stw r31, -4(r1)
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| ; PPC32-FP:	ori r0, r0, 32704
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| ; PPC32-FP:	stwux r1, r1, r0
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| ; PPC32-FP:	mr r31, r1
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| ; PPC32-FP:	addi r3, r31, 64
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| ; PPC32-FP:	lwz r1, 0(r1)
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| ; PPC32-FP:	lwz r31, -4(r1)
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| ; PPC32-FP:	blr 
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| 
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| 
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| ; PPC64-NOFP: _f1:
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| ; PPC64-NOFP: 	lis r0, -1
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| ; PPC64-NOFP: 	ori r0, r0, 32656
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| ; PPC64-NOFP: 	stdux r1, r1, r0
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| ; PPC64-NOFP: 	addi r3, r1, 116
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| ; PPC64-NOFP: 	ld r1, 0(r1)
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| ; PPC64-NOFP: 	blr 
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| 
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| 
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| ; PPC64-FP: _f1:
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| ; PPC64-FP:	lis r0, -1
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| ; PPC64-FP:	std r31, -8(r1)
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| ; PPC64-FP:	ori r0, r0, 32640
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| ; PPC64-FP:	stdux r1, r1, r0
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| ; PPC64-FP:	mr r31, r1
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| ; PPC64-FP:	addi r3, r31, 124
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| ; PPC64-FP:	ld r1, 0(r1)
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| ; PPC64-FP:	ld r31, -8(r1)
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| ; PPC64-FP:	blr 
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