1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-- -combiner-reduce-load-op-store-width=false | FileCheck %s
4 %struct.bit_fields = type { i32 }
6 define void @clear_b1(%struct.bit_fields* %ptr) {
7 ; CHECK-LABEL: clear_b1:
8 ; CHECK: # %bb.0: # %entry
9 ; CHECK-NEXT: andl $-2, (%rdi)
12 %0 = bitcast %struct.bit_fields* %ptr to i32*
13 %bf.load = load i32, i32* %0
14 %bf.clear = and i32 %bf.load, -2
15 store i32 %bf.clear, i32* %0
19 define void @clear16(%struct.bit_fields* %ptr) {
20 ; CHECK-LABEL: clear16:
21 ; CHECK: # %bb.0: # %entry
22 ; CHECK-NEXT: andw $-2, (%rdi)
25 %0 = bitcast %struct.bit_fields* %ptr to i16*
26 %bf.load = load i16, i16* %0
27 %bf.clear = and i16 %bf.load, -2
28 store i16 %bf.clear, i16* %0