forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			60 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -globalopt -S -o - < %s | FileCheck %s
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| 
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| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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| target triple = "x86_64-unknown-linux-gnu"
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| 
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| declare {}* @llvm.invariant.start(i64 %size, i8* nocapture %ptr)
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| 
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| define void @test1(i8* %ptr) {
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|   call {}* @llvm.invariant.start(i64 4, i8* %ptr)
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|   ret void
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| }
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| 
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| @object1 = global i32 0
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| ; CHECK: @object1 = constant i32 -1
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| define void @ctor1() {
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|   store i32 -1, i32* @object1
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|   %A = bitcast i32* @object1 to i8*
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|   call void @test1(i8* %A)
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|   ret void
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| }
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| 
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| 
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| @object2 = global i32 0
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| ; CHECK: @object2 = global i32 0
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| define void @ctor2() {
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|   store i32 -1, i32* @object2
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|   %A = bitcast i32* @object2 to i8*
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|   %B = call {}* @llvm.invariant.start(i64 4, i8* %A)
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|   %C = bitcast {}* %B to i8*
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|   ret void
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| }
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| 
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| 
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| @object3 = global i32 0
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| ; CHECK: @object3 = global i32 -1
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| define void @ctor3() {
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|   store i32 -1, i32* @object3
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|   %A = bitcast i32* @object3 to i8*
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|   call {}* @llvm.invariant.start(i64 3, i8* %A)
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|   ret void
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| }
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| 
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| 
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| @object4 = global i32 0
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| ; CHECK: @object4 = global i32 -1
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| define void @ctor4() {
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|   store i32 -1, i32* @object4
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|   %A = bitcast i32* @object4 to i8*
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|   call {}* @llvm.invariant.start(i64 -1, i8* %A)
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|   ret void
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| }
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| 
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| 
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| @llvm.global_ctors = appending constant
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|   [4 x { i32, void ()* }]
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|   [ { i32, void ()* } { i32 65535, void ()* @ctor1 },
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|     { i32, void ()* } { i32 65535, void ()* @ctor2 },
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|     { i32, void ()* } { i32 65535, void ()* @ctor3 },
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|     { i32, void ()* } { i32 65535, void ()* @ctor4 } ]
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