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	round trip blockaddress through .ll and .bc files, so add a testcase. There are still a bunch of places in the optimizer and other places that need to be updated to work with these constructs, but at least the basics are in now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85377 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			44 lines
		
	
	
		
			911 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			911 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llvm-as < %s | llvm-dis > %t1.ll
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| ; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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| ; RUN: diff %t1.ll %t2.ll
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| 
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|         %int = type i32
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| 
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| define i32 @squared(i32 %i0) {
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|         switch i32 %i0, label %Default [
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|                  i32 1, label %Case1
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|                  i32 2, label %Case2
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|                  i32 4, label %Case4
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|         ]
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| 
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| Default:                ; preds = %0
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|         ret i32 -1
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| 
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| Case1:          ; preds = %0
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|         ret i32 1
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| 
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| Case2:          ; preds = %0
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|         ret i32 4
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| 
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| Case4:          ; preds = %0
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|         ret i32 16
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| }
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| 
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| 
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| @Addr = global i8* blockaddress(@indbrtest, %BB1)
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| @Addr3 = global i8* blockaddress(@squared, %Case1)
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| 
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| 
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| define i32 @indbrtest(i8* %P, i32* %Q) {
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|   indirectbr i8* %P, [label %BB1, label %BB2, label %BB3]
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| BB1:
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|   indirectbr i32* %Q, []
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| BB2:
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|   %R = bitcast i8* blockaddress(@indbrtest, %BB3) to i8*
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|   indirectbr i8* %R, [label %BB1, label %BB2, label %BB3]
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| BB3:
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|   ret i32 2
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| }
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| 
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| 
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