File: pr32420.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (40 lines) | stat: -rw-r--r-- 1,305 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s | FileCheck %s

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"

@a = common local_unnamed_addr global i16 0, align 4
@b = common local_unnamed_addr global i16 0, align 4

define i32 @PR32420() {
; CHECK-LABEL: PR32420:
; CHECK:       ## %bb.0:
; CHECK-NEXT:    movq _a@{{.*}}(%rip), %rcx
; CHECK-NEXT:    movzwl (%rcx), %eax
; CHECK-NEXT:    movl %eax, %edx
; CHECK-NEXT:    shll $12, %edx
; CHECK-NEXT:    movswl %dx, %edx
; CHECK-NEXT:    shrl $12, %edx
; CHECK-NEXT:    movq _b@{{.*}}(%rip), %rsi
; CHECK-NEXT:    orw (%rsi), %dx
; CHECK-NEXT:    movl (%rcx), %ecx
; CHECK-NEXT:    shll $12, %ecx
; CHECK-NEXT:    movswl %cx, %ecx
; CHECK-NEXT:    shrl $12, %ecx
; CHECK-NEXT:    andl %edx, %ecx
; CHECK-NEXT:    movw %cx, (%rsi)
; CHECK-NEXT:    retq
  %load2 = load i16, i16* @a, align 4
  %shl3 = shl i16 %load2, 12
  %ashr4 = ashr i16 %shl3, 12
  %t2 = load volatile i16, i16* @b, align 4
  %conv8 = or i16 %t2, %ashr4
  %load9 = load i16, i16* @a, align 4
  %shl10 = shl i16 %load9, 12
  %ashr11 = ashr i16 %shl10, 12
  %and = and i16 %conv8, %ashr11
  store i16 %and, i16* @b, align 4
  %cast1629 = zext i16 %load2 to i32
  ret i32 %cast1629
}