; 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(ptr %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, ptr %ptr %masked_val = and i16 %val, 255 %replaced_val = or i16 %masked_val, 25600 store i16 %replaced_val, ptr %ptr ret void }