24 lines
		
	
	
		
			648 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			648 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -tailcallopt=false | FileCheck %s
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; CHECK: movl 8(%esp), %eax
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; CHECK: movl 8(%esp), %eax
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; CHECK-NOT: movl 8(%esp), %eax
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; PR3122
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; rdar://6400815
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; byval requires a copy, even with fastcc.
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin9.5"
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	%struct.MVT = type { i32 }
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define fastcc i32 @bar() nounwind {
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	%V = alloca %struct.MVT
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	store i32 1, ptr %V
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	call fastcc void @foo(ptr byval(%struct.MVT) %V) nounwind
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	%t = load i32, ptr %V
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	ret i32 %t
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}
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declare fastcc void @foo(ptr byval(%struct.MVT))
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