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			44 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-MACHO %s
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| ; RUN: llc < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-MACHO %s
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| ; RUN: llc < %s -mtriple=powerpc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
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| ; RUN: llc < %s -mtriple=powerpc-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s
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| 
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| define void @func() {
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| entry:
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|   unreachable
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| }
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| 
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| ; MachO cannot handle an empty function.
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| ; CHECK-MACHO:     _func:
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| ; CHECK-MACHO-NEXT: .cfi_startproc
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| ; CHECK-MACHO-NEXT: {{^}};
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| ; CHECK-MACHO-NEXT:     nop
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| ; CHECK-MACHO-NEXT: .cfi_endproc
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| 
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| ; An empty function is perfectly fine on ELF.
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| ; LINUX-NO-FP: func:
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| ; LINUX-NO-FP-NEXT: .cfi_startproc
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| ; LINUX-NO-FP-NEXT: {{^}}#
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| ; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}}
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| ; LINUX-NO-FP-NEXT: .size   func, .L{{.*}}-func
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| ; LINUX-NO-FP-NEXT: .cfi_endproc
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| 
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| ; A cfi directive can point to the end of a function. It (and in fact the
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| ; entire body) could be optimized out because of the unreachable, but we
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| ; don't do it right now.
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| ; LINUX-FP: func:
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| ; LINUX-FP-NEXT: .cfi_startproc
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| ; LINUX-FP-NEXT: {{^}}#
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| ; LINUX-FP-NEXT: stw 31, -4(1)
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| ; LINUX-FP-NEXT: stwu 1, -16(1)
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| ; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
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| ; LINUX-FP-NEXT:  .cfi_def_cfa_offset 16
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| ; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
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| ; LINUX-FP-NEXT: .cfi_offset r31, -4
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| ; LINUX-FP-NEXT: mr 31, 1
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| ; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
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| ; LINUX-FP-NEXT: .cfi_def_cfa_register r31
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| ; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
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| ; LINUX-FP-NEXT: .size   func, .Ltmp3-func
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| ; LINUX-FP-NEXT: .cfi_endproc
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