| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- -combiner-reduce-load-op-store-width=false | FileCheck %s |
| |
| %struct.bit_fields = type { i32 } |
| |
| define void @clear_b1(ptr %ptr) { |
| ; CHECK-LABEL: clear_b1: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: andl $-2, (%rdi) |
| ; CHECK-NEXT: retq |
| entry: |
| %bf.load = load i32, ptr %ptr |
| %bf.clear = and i32 %bf.load, -2 |
| store i32 %bf.clear, ptr %ptr |
| ret void |
| } |
| |
| define void @clear16(ptr %ptr) { |
| ; CHECK-LABEL: clear16: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: andw $-2, (%rdi) |
| ; CHECK-NEXT: retq |
| entry: |
| %bf.load = load i16, ptr %ptr |
| %bf.clear = and i16 %bf.load, -2 |
| store i16 %bf.clear, ptr %ptr |
| ret void |
| } |