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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103335 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc < %s -march=x86 -asm-verbose=false                           | FileCheck %s -check-prefix=FP-ELIM
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; RUN: llc < %s -march=x86 -asm-verbose=false -disable-fp-elim          | FileCheck %s -check-prefix=NO-ELIM
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; RUN: llc < %s -march=x86 -asm-verbose=false -disable-non-leaf-fp-elim | FileCheck %s -check-prefix=NON-LEAF
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; Implement -momit-leaf-frame-pointer
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; rdar://7886181
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define i32 @t1() nounwind readnone {
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entry:
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; FP-ELIM:      t1:
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; FP-ELIM-NEXT: movl
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; FP-ELIM-NEXT: ret
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; NO-ELIM:      t1:
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; NO-ELIM-NEXT: pushl %ebp
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; NO-ELIM:      popl %ebp
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; NO-ELIM-NEXT: ret
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; NON-LEAF:      t1:
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; NON-LEAF-NEXT: movl
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; NON-LEAF-NEXT: ret
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  ret i32 10
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}
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define void @t2() nounwind {
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entry:
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; FP-ELIM:     t2:
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; FP-ELIM-NOT: pushl %ebp
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; FP-ELIM:     ret
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; NO-ELIM:      t2:
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; NO-ELIM-NEXT: pushl %ebp
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; NO-ELIM:      popl %ebp
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; NO-ELIM-NEXT: ret
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; NON-LEAF:      t2:
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; NON-LEAF-NEXT: pushl %ebp
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; NON-LEAF:      popl %ebp
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; NON-LEAF-NEXT: ret
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  tail call void @foo(i32 0) nounwind
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  ret void
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}
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declare void @foo(i32)
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