File: verifier-phi-fail0.mir

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (32 lines) | stat: -rw-r--r-- 792 bytes parent folder | download | duplicates (33) 
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
 
# RUN: not --crash llc -o - %s -mtriple=x86_64-- -verify-machineinstrs -run-pass=none 2>&1 | FileCheck %s
# REQUIRES: x86-registered-target

---
# CHECK: Bad machine code: PHI operand is not live-out from predecessor
# CHECK: - function:    func0
# CHECK: - basic block: %bb.3
# CHECK: - instruction: %0:gr32 = PHI
# CHECK: - operand 1:   %1
#
# CHECK: Bad machine code: PHI operand is not live-out from predecessor
# CHECK: - function:    func0
# CHECK: - basic block: %bb.3
# CHECK: - instruction: %0:gr32 = PHI
# CHECK: - operand 3:   %0
name: func0
tracksRegLiveness: true
body: |
  bb.0:
    JCC_1 %bb.1, 4, implicit undef $eflags
    JMP_1 %bb.2

  bb.1:
    %0:gr32 = IMPLICIT_DEF
    JMP_1 %bb.3

  bb.2:
    %1:gr32 = IMPLICIT_DEF

  bb.3:
    %0:gr32 = PHI %1, %bb.1, %0, %bb.2
...