29 lines
		
	
	
		
			576 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			576 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S < %s -globalopt | FileCheck %s
 | |
| 
 | |
| @G = internal global i32 42
 | |
| 
 | |
| define i8 @f() norecurse {
 | |
| ; CHECK-LABEL: @f
 | |
| ; CHECK: alloca
 | |
| ; CHECK-NOT: @G
 | |
| ; CHECK: }
 | |
|   store i32 42, i32* @G
 | |
|   %a = load i8, i8* bitcast (i32* @G to i8*)
 | |
|   ret i8 %a
 | |
| }
 | |
| 
 | |
| @H = internal global i32 42
 | |
| @Halias = alias i32, i32* @H
 | |
| 
 | |
| ; @H can't be localized because @Halias uses it, and @Halias can't be converted to an instruction.
 | |
| define i8 @g() norecurse {
 | |
| ; CHECK-LABEL: @g
 | |
| ; CHECK-NOT: alloca
 | |
| ; CHECK: @H
 | |
| ; CHECK: }
 | |
|   store i32 42, i32* @H
 | |
|   %a = load i8, i8* bitcast (i32* @H to i8*)
 | |
|   ret i8 %a
 | |
| }
 | |
| 
 |