mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-04 05:17:07 +00:00 
			
		
		
		
	addressing mode folding, introduced in r119853. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119857 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			23 lines
		
	
	
		
			452 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			452 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc -march=arm < %s | FileCheck %s
 | 
						|
; <rdar://problem/8686347>
 | 
						|
 | 
						|
define i32 @test1(i1 %a, i32* %b) {
 | 
						|
; CHECK: test1
 | 
						|
entry:
 | 
						|
  br i1 %a, label %lblock, label %rblock
 | 
						|
 | 
						|
lblock:
 | 
						|
  %lbranch = getelementptr i32* %b, i32 1
 | 
						|
  br label %end
 | 
						|
 | 
						|
rblock:
 | 
						|
  %rbranch = getelementptr i32* %b, i32 1
 | 
						|
  br label %end
 | 
						|
  
 | 
						|
end:
 | 
						|
; CHECK: ldr	r0, [r1, #4]
 | 
						|
  %gep = phi i32* [%lbranch, %lblock], [%rbranch, %rblock]
 | 
						|
  %r = load i32* %gep
 | 
						|
; CHECK-NEXT: bx	lr
 | 
						|
  ret i32 %r
 | 
						|
} |