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	Patch by Kevin Modzelewski Reviewers: atrick, ributzka Reviewed By: ributzka Subscribers: llvm-commits, reames Differential Revision: http://reviews.llvm.org/D5634 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220055 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			80 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
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| 
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| ; PR1042
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| define i32 @foo() {
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| ; CHECK: The unwind destination does not have a landingpad instruction
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| 	%A = invoke i32 @foo( )
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| 			to label %L unwind label %L		; <i32> [#uses=1]
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| L:		; preds = %0, %0
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| 	ret i32 %A
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| }
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| 
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| ; PR1042
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| define i32 @bar() {
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| 	br i1 false, label %L1, label %L2
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| L1:		; preds = %0
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| 	%A = invoke i32 @bar( )
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| 			to label %L unwind label %L		; <i32> [#uses=1]
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| L2:		; preds = %0
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| 	br label %L
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| L:		; preds = %L2, %L1, %L1
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| ; CHECK: The unwind destination does not have a landingpad instruction
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| 	ret i32 %A
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| }
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| 
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| 
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| declare i32 @__gxx_personality_v0(...)
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| declare void @llvm.donothing()
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| declare void @llvm.trap()
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| declare i8 @llvm.expect.i8(i8,i8)
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| declare i32 @fn(i8 (i8, i8)*)
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| 
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| define void @f1() {
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| entry:
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| ; OK
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|   invoke void @llvm.donothing()
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|   to label %conta unwind label %contb
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| 
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| conta:
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|   ret void
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| 
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| contb:
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|   %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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|           filter [0 x i8*] zeroinitializer
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|   ret void
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| }
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| 
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| define i8 @f2() {
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| entry:
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| ; CHECK: Cannot invoke an intrinsinc other than donothing or patchpoint
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|   invoke void @llvm.trap()
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|   to label %cont unwind label %lpad
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| 
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| cont:
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|   ret i8 3
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| 
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| lpad:
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|   %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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|           filter [0 x i8*] zeroinitializer
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|   ret i8 2
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| }
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| 
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| define i32 @f3() {
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| entry:
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| ; CHECK: Cannot take the address of an intrinsic
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|   %call = call i32 @fn(i8 (i8, i8)* @llvm.expect.i8)
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|   ret i32 %call
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| }
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| 
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| define void @f4() {
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| entry:
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|   invoke void @llvm.donothing()
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|   to label %cont unwind label %cont
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| 
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| cont:
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| ; CHECK: Block containing LandingPadInst must be jumped to only by the unwind edge of an invoke.
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|   %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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|           filter [0 x i8*] zeroinitializer
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|   ret void
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| }
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