File: no-wide-load.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (22 lines) | stat: -rw-r--r-- 698 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- -x86-promote-anyext-load=false | FileCheck %s

%struct.S = type { i32, i16, i16 }

define void @foo(%struct.S* %p, i16 signext %s) {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    movzwl 4(%rdi), %eax
; CHECK-NEXT:    andl $-1121, %eax # imm = 0xFB9F
; CHECK-NEXT:    orl $1024, %eax # imm = 0x400
; CHECK-NEXT:    movw %ax, 4(%rdi)
; CHECK-NEXT:    retq
entry:
  %f2 = getelementptr inbounds %struct.S, %struct.S* %p, i64 0, i32 1
  %0 = load i16, i16* %f2, align 4
  %1 = and i16 %0, -1121
  %2 = or i16 %1, 1024
  store i16 %2, i16* %f2, align 4
  ret void
}