| ; 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: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; CHECK-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7] |
| ; CHECK-NEXT: pextrw $2, %xmm0, %eax |
| ; CHECK-NEXT: andb $95, %al |
| ; CHECK-NEXT: # kill: def $al killed $al killed $eax |
| ; 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 |
| } |
| |
