25 lines
		
	
	
		
			679 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			679 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -globalopt -S | FileCheck %s
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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@G = internal global i32* null
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define void @t() #0 {
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; CHECK: @t()
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; CHECK: call i8* @malloc
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; CHECK: bitcast
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; CHECK: store
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; CHECK: load
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; CHECK: getelementptr
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; CHECK: store
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  %malloccall = tail call i8* @malloc(i64 mul (i64 100, i64 4))
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  %P = bitcast i8* %malloccall to i32*
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  store i32* %P, i32** @G
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  %GV = load i32*, i32** @G
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  %GVe = getelementptr i32, i32* %GV, i32 40
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  store i32 20, i32* %GVe
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  ret void
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}
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declare noalias i8* @malloc(i64)
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attributes #0 = { "null-pointer-is-valid"="true" }
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