File: gather-null-pointer.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 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 (21 lines) | stat: -rw-r--r-- 930 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -dse -S | FileCheck %s

; Both stores should be emitted because we can't tell if the gather aliases.

define <4 x i32> @bar(<4 x i32> %arg, i32* %arg1) {
; CHECK-LABEL: @bar(
; CHECK-NEXT:  bb:
; CHECK-NEXT:    store i32 5, i32* [[ARG1:%.*]]
; CHECK-NEXT:    [[TMP:%.*]] = tail call <4 x i32> @llvm.x86.avx2.gather.d.d(<4 x i32> zeroinitializer, i8* null, <4 x i32> [[ARG:%.*]], <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, i8 1)
; CHECK-NEXT:    store i32 10, i32* [[ARG1]]
; CHECK-NEXT:    ret <4 x i32> [[TMP]]
;
bb:
  store i32 5, i32* %arg1
  %tmp = tail call <4 x i32> @llvm.x86.avx2.gather.d.d(<4 x i32> zeroinitializer, i8* null, <4 x i32> %arg, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, i8 1)
  store i32 10, i32* %arg1
  ret <4 x i32> %tmp
}

declare <4 x i32> @llvm.x86.avx2.gather.d.d(<4 x i32>, i8*, <4 x i32>, <4 x i32>, i8)