46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=CHECK-NO-FP %s
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| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -frame-pointer=all | FileCheck -check-prefix=CHECK-FP %s
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| ; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
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| ; RUN: llc < %s -mtriple=x86_64-linux-gnu -frame-pointer=all | 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-NO-FP:     _func:
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| ; CHECK-NO-FP-NEXT: .cfi_startproc
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| ; CHECK-NO-FP:     ud2
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| ; CHECK-NO-FP-NEXT: .cfi_endproc
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| 
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| ; CHECK-FP:      _func:
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| ; CHECK-FP-NEXT: .cfi_startproc
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| ; CHECK-FP-NEXT: :
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| ; CHECK-FP-NEXT: pushq %rbp
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| ; CHECK-FP-NEXT: .cfi_def_cfa_offset 16
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| ; CHECK-FP-NEXT: .cfi_offset %rbp, -16
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| ; CHECK-FP-NEXT: movq %rsp, %rbp
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| ; CHECK-FP: ud2
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| ; CHECK-FP: .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{{.*}}:{{$}}
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| ; LINUX-NO-FP-NEXT: .size   func, .L{{.*}}-func
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| ; LINUX-NO-FP-NEXT: .cfi_endproc
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| 
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| ; A cfi directive cannot point to the end of a function.
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| ; LINUX-FP: func:
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| ; LINUX-FP-NEXT: .cfi_startproc
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| ; LINUX-FP-NEXT: {{^}}#
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| ; LINUX-FP-NEXT: pushq %rbp
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| ; LINUX-FP-NEXT:  .cfi_def_cfa_offset 16
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| ; LINUX-FP-NEXT: .cfi_offset %rbp, -16
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| ; LINUX-FP-NEXT: movq        %rsp, %rbp
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| ; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
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| ; LINUX-FP-NEXT: .size   func, .Lfunc_end0-func
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| ; LINUX-FP-NEXT: .cfi_endproc
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