50 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -globalopt -S -o - < %s | FileCheck %s
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| 
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| @glbl = internal global i8* null
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| 
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| define void @test1a() {
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| ; CHECK-LABEL: @test1a(
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| ; CHECK-NOT: store
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| ; CHECK-NEXT: ret void
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|   store i8* null, i8** @glbl
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|   ret void
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| }
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| 
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| define void @test1b(i8* %p) {
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| ; CHECK-LABEL: @test1b(
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| ; CHECK-NEXT: store
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| ; CHECK-NEXT: ret void
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|   store i8* %p, i8** @glbl
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|   ret void
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| }
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| 
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| define void @test2() {
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| ; CHECK-LABEL: @test2(
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| ; CHECK: alloca i8
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|   %txt = alloca i8
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|   call void @foo2(i8* %txt)
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|   %call2 = call i8* @strdup(i8* %txt)
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|   store i8* %call2, i8** @glbl
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|   ret void
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| }
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| declare i8* @strdup(i8*)
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| declare void @foo2(i8*)
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| 
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| define void @test3() uwtable personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0 {
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| ; CHECK-LABEL: @test3(
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| ; CHECK-NOT: bb1:
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| ; CHECK-NOT: bb2:
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| ; CHECK: invoke
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|   %ptr = invoke i8* @_Znwm(i64 1)
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|           to label %bb1 unwind label %bb2
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| bb1:
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|   store i8* %ptr, i8** @glbl
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|   unreachable
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| bb2:
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|   %tmp1 = landingpad { i8*, i32 }
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|           cleanup
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|   resume { i8*, i32 } %tmp1
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| }
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| declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
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| declare i8* @_Znwm(i64)
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