18 lines
		
	
	
		
			428 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			428 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
 | 
						|
; rdar://7529457
 | 
						|
 | 
						|
define i64 @t(i64 %A, i64 %B, i32* %P, i64 *%P2) nounwind {
 | 
						|
; CHECK-LABEL: t:
 | 
						|
; CHECK: movslq %e{{.*}}, %rax
 | 
						|
; CHECK: movq %rax
 | 
						|
; CHECK: movl %eax
 | 
						|
  %C = add i64 %A, %B
 | 
						|
  %D = trunc i64 %C to i32
 | 
						|
  store volatile i32 %D, i32* %P
 | 
						|
  %E = shl i64 %C, 32
 | 
						|
  %F = ashr i64 %E, 32  
 | 
						|
  store volatile i64 %F, i64 *%P2
 | 
						|
  store volatile i32 %D, i32* %P
 | 
						|
  ret i64 undef
 | 
						|
}
 |