1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-- -combiner-shrink-load-replace-store-with-store=false | FileCheck %s 3 4define void @shrink(ptr %ptr) { 5; CHECK-LABEL: shrink: 6; CHECK: # %bb.0: # %entry 7; CHECK-NEXT: movzbl (%rdi), %eax 8; CHECK-NEXT: orl $25600, %eax # imm = 0x6400 9; CHECK-NEXT: movw %ax, (%rdi) 10; CHECK-NEXT: retq 11entry: 12 %val = load i16, ptr %ptr 13 %masked_val = and i16 %val, 255 14 %replaced_val = or i16 %masked_val, 25600 15 store i16 %replaced_val, ptr %ptr 16 ret void 17} 18 19