19 lines
		
	
	
		
			588 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			588 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 | |
| ; RUN: llc -mtriple=x86_64-- -mcpu=generic < %s | FileCheck %s
 | |
| 
 | |
| ; Verify that the DAGCombiner doesn't wrongly remove the 'and' from the dag.
 | |
| 
 | |
| define i8 @foo(<4 x i8>* %V) {
 | |
| ; CHECK-LABEL: foo:
 | |
| ; CHECK:       # %bb.0:
 | |
| ; CHECK-NEXT:    movb 2(%rdi), %al
 | |
| ; CHECK-NEXT:    andb $95, %al
 | |
| ; CHECK-NEXT:    retq
 | |
|   %Vp = bitcast <4 x i8>* %V to <3 x i8>*
 | |
|   %V3i8 = load <3 x i8>, <3 x i8>* %Vp, align 4
 | |
|   %t0 = and <3 x i8> %V3i8, <i8 undef, i8 undef, i8 95>
 | |
|   %t1 = extractelement <3 x i8> %t0, i64 2
 | |
|   ret i8 %t1
 | |
| }
 | |
| 
 |