48 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mcpu=a2 < %s | FileCheck %s -check-prefix=INVFUNCDESC
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| ; RUN: llc -mcpu=a2 -mattr=-invariant-function-descriptors < %s | FileCheck %s -check-prefix=NONINVFUNCDESC
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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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| 
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| ; Function Attrs: nounwind
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| define void @bar(void (...)* nocapture %x) #0 {
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| entry:
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|   %callee.knr.cast = bitcast void (...)* %x to void ()*
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|   br label %for.body
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| 
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| ; INVFUNCDESC-LABEL: @bar
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| ; INVFUNCDESC-DAG: ld [[REG1:[0-9]+]], 8(3)
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| ; INVFUNCDESC-DAG: ld [[REG2:[0-9]+]], 16(3)
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| ; INVFUNCDESC-DAG: ld [[REG3:[0-9]+]], 0(3)
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| 
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| ; INVFUNCDESC: %for.body
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| ; INVFUNCDESC: std 2, 40(1)
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| ; INVFUNCDESC-DAG: mtctr [[REG3]]
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| ; INVFUNCDESC-DAG: mr 11, [[REG2]]
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| ; INVFUNCDESC-DAG: mr 2, [[REG1]]
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| ; INVFUNCDESC: bctrl
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| ; INVFUNCDESC-NEXT: ld 2, 40(1)
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| 
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| ; NONINVFUNCDESC-LABEL: @bar
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| ; NONINVFUNCDESC: %for.body
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| ; NONINVFUNCDESC: std 2, 40(1)
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| ; NONINVFUNCDESC-DAG: ld 3, 0(30)
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| ; NONINVFUNCDESC-DAG: ld 11, 16(30)
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| ; NONINVFUNCDESC-DAG: ld 2, 8(30)
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| ; NONINVFUNCDESC: mtctr 3
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| ; NONINVFUNCDESC: bctrl
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| ; NONINVFUNCDESC-NEXT: ld 2, 40(1)
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| 
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| for.body:                                         ; preds = %for.body, %entry
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|   %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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|   tail call void %callee.knr.cast() #0
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|   %inc = add nuw nsw i32 %i.02, 1
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|   %exitcond = icmp eq i32 %inc, 1600000000
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|   br i1 %exitcond, label %for.end, label %for.body
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| 
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| for.end:                                          ; preds = %for.body
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|   ret void
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| }
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| 
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| attributes #0 = { nounwind }
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| 
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