25 lines
		
	
	
		
			849 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			849 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple thumbv7-apple-ios3.0.0 < %s 2>&1 >/dev/null | FileCheck %s
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; Check the internal option that warns when the stack frame size exceeds the
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; given amount.
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; <rdar://13987214>
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; CHECK-NOT: nowarn
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define void @nowarn() nounwind ssp "frame-pointer"="all" "warn-stack-size"="80" {
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entry:
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  %buffer = alloca [12 x i8], align 1
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  %arraydecay = getelementptr inbounds [12 x i8], [12 x i8]* %buffer, i64 0, i64 0
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  call void @doit(i8* %arraydecay) nounwind
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  ret void
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}
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; CHECK: warning: stack frame size (92) exceeds limit (80) in function 'warn'
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define void @warn() nounwind ssp "frame-pointer"="all" "warn-stack-size"="80" {
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entry:
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  %buffer = alloca [80 x i8], align 1
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  %arraydecay = getelementptr inbounds [80 x i8], [80 x i8]* %buffer, i64 0, i64 0
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  call void @doit(i8* %arraydecay) nounwind
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  ret void
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}
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declare void @doit(i8*)
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