File: domain-reassignment-implicit-def.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (24 lines) | stat: -rw-r--r-- 896 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: llc -mcpu=skylake-avx512 -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s

; Check that the X86 Domain Reassignment pass doesn't drop IMPLICIT_DEF nodes,
; which would later cause crashes (e.g. in LiveVariables) - see PR37430
define void @domain_reassignment_implicit_def(i1 %cond, i8 *%mem, float %arg) {
; CHECK:    vxorps %xmm1, %xmm1, %xmm1
; CHECK:    vcmpneqss %xmm1, %xmm0, %k0
; CHECK:    kmovb %k0, (%rsi)
top:
  br i1 %cond, label %L19, label %L15

L15:                                              ; preds = %top
  %tmp47 = fcmp une float 0.000000e+00, %arg
  %tmp48 = zext i1 %tmp47 to i8
  br label %L21

L19:                                              ; preds = %top
  br label %L21

L21:                                              ; preds = %L19, %L15
  %.sroa.0.0 = phi i8 [ undef, %L19 ], [ %tmp48, %L15 ]
  store i8 %.sroa.0.0, i8* %mem, align 1
  ret void
}