File: undef-eflags.mir

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (18 lines) | stat: -rw-r--r-- 511 bytes parent folder | download | duplicates (24) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
# RUN: llc -o - %s -mtriple=x86_64-- -verify-machineinstrs -run-pass branch-folder | FileCheck %s
# Check that we do not generate invalid MIR when optimizing condjumps with undef
# flags on the eflags input (currently we should just bail out).
---
# CHECK-LABEL: name: fallundef
name: fallundef
tracksRegLiveness: true
body: |
  bb.0:
    JCC_1 %bb.1, 4, implicit undef $eflags
    ; CHECK: JCC_1 %bb.1, 4, implicit undef $eflags
    JMP_1 %bb.2
  bb.1:
    RET 2, undef $eax

  bb.2:
    RET 0, undef $eax
...