25 lines
		
	
	
		
			797 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			797 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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| 
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| @G = internal global i32* null          ; <i32**> [#uses=3]
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| ; CHECK-NOT: global
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| 
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| define void @init() {
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|         %malloccall = tail call i8* @malloc(i64 4)      ; <i8*> [#uses=1]
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|         %P = bitcast i8* %malloccall to i32*            ; <i32*> [#uses=1]
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|         store i32* %P, i32** @G
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|         %GV = load i32*, i32** @G             ; <i32*> [#uses=1]
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|         store i32 0, i32* %GV
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|         ret void
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| }
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| 
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| declare noalias i8* @malloc(i64)
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| 
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| define i32 @get() {
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|         %GV = load i32*, i32** @G             ; <i32*> [#uses=1]
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|         %V = load i32, i32* %GV              ; <i32> [#uses=1]
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|         ret i32 %V
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| ; CHECK: ret i32 0
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| }
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| 
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