xref: /llvm-project/llvm/test/CodeGen/X86/no-wide-load.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-- -x86-promote-anyext-load=false | FileCheck %s
3
4%struct.S = type { i32, i16, i16 }
5
6define void @foo(ptr %p, i16 signext %s) {
7; CHECK-LABEL: foo:
8; CHECK:       # %bb.0: # %entry
9; CHECK-NEXT:    movzwl 4(%rdi), %eax
10; CHECK-NEXT:    andl $-1121, %eax # imm = 0xFB9F
11; CHECK-NEXT:    orl $1024, %eax # imm = 0x400
12; CHECK-NEXT:    movw %ax, 4(%rdi)
13; CHECK-NEXT:    retq
14entry:
15  %f2 = getelementptr inbounds %struct.S, ptr %p, i64 0, i32 1
16  %0 = load i16, ptr %f2, align 4
17  %1 = and i16 %0, -1121
18  %2 = or i16 %1, 1024
19  store i16 %2, ptr %f2, align 4
20  ret void
21}
22
23