| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- -combiner-shrink-load-replace-store-with-store=false | FileCheck %s |
| |
| define void @shrink(i16* %ptr) { |
| ; CHECK-LABEL: shrink: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movzbl (%rdi), %eax |
| ; CHECK-NEXT: orl $25600, %eax # imm = 0x6400 |
| ; CHECK-NEXT: movw %ax, (%rdi) |
| ; CHECK-NEXT: retq |
| entry: |
| %val = load i16, i16* %ptr |
| %masked_val = and i16 %val, 255 |
| %replaced_val = or i16 %masked_val, 25600 |
| store i16 %replaced_val, i16* %ptr |
| ret void |
| } |
| |