mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-04 05:17:07 +00:00 
			
		
		
		
	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125831 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			25 lines
		
	
	
		
			656 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			656 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: opt < %s -loop-unroll -S | FileCheck %s
 | 
						|
 | 
						|
 | 
						|
; This should not unroll since the address of the loop header is taken.
 | 
						|
 | 
						|
; CHECK: @test1
 | 
						|
; CHECK: store i8* blockaddress(@test1, %l1), i8** %P
 | 
						|
; CHECK: l1:
 | 
						|
; CHECK-NEXT: phi i32
 | 
						|
; rdar://8287027
 | 
						|
define i32 @test1(i8** %P) nounwind ssp {
 | 
						|
entry:
 | 
						|
  store i8* blockaddress(@test1, %l1), i8** %P
 | 
						|
  br label %l1
 | 
						|
 | 
						|
l1:                                               ; preds = %l1, %entry
 | 
						|
  %x.0 = phi i32 [ 0, %entry ], [ %inc, %l1 ]
 | 
						|
  %inc = add nsw i32 %x.0, 1
 | 
						|
  %exitcond = icmp eq i32 %inc, 3
 | 
						|
  br i1 %exitcond, label %l2, label %l1
 | 
						|
 | 
						|
l2:                                               ; preds = %l1
 | 
						|
  ret i32 0
 | 
						|
}
 |