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	Also clean up and beef up this grep test for the feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216425 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			37 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: opt < %s -deadargelim -S | FileCheck %s
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define i32 @bar(i32 %A) {
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  call void (i32, ...)* @thunk(i32 %A, i64 47, double 1.000000e+00)
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  %a = call i32 (i32, ...)* @has_vastart(i32 %A, i64 47, double 1.000000e+00)
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  %b = call i32 (i32, ...)* @no_vastart( i32 %A, i32 %A, i32 %A, i32 %A, i64 47, double 1.000000e+00 )
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  %c = add i32 %a, %b
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  ret i32 %c
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}
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; CHECK-LABEL: define i32 @bar
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; CHECK: call void (i32, ...)* @thunk(i32 %A, i64 47, double 1.000000e+00)
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; CHECK: call i32 (i32, ...)* @has_vastart(i32 %A, i64 47, double 1.000000e+00)
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; CHECK: call i32 @no_vastart(i32 %A)
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declare void @thunk_target(i32 %X, ...)
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define internal void @thunk(i32 %X, ...) {
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  musttail call void(i32, ...)* @thunk_target(i32 %X, ...)
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  ret void
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}
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; CHECK-LABEL: define internal void @thunk(i32 %X, ...)
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; CHECK: musttail call void (i32, ...)* @thunk_target(i32 %X, ...)
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define internal i32 @has_vastart(i32 %X, ...) {
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  %valist = alloca i8
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  call void @llvm.va_start(i8* %valist)
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  ret i32 %X
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}
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; CHECK-LABEL: define internal i32 @has_vastart(i32 %X, ...)
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declare void @llvm.va_start(i8*)
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define internal i32 @no_vastart(i32 %X, ...) {
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  ret i32 %X
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}
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; CHECK-LABEL: define internal i32 @no_vastart(i32 %X)
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