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
| # RUN: llc -o - %s -mtriple=x86_64-- -verify-cfiinstrs \
# RUN: -run-pass=cfi-instr-inserter
# Test that CFI verifier does not report inconsistent offset for the
# 'noreturn' block.
---
name: testNoreturnBlock
body: |
bb.0:
CFI_INSTRUCTION def_cfa_offset 24
JCC_1 %bb.2, 5, implicit undef $eflags
bb.1:
CFI_INSTRUCTION def_cfa_offset 32
bb.2:
TRAP
...
# C code to reproduce the issue, built with
# '-O2 -mllvm -tail-merge-size=1 -mllvm -verify-cfiinstrs':
#
# void foo1(int v) __attribute__((noreturn)) {
# if (v == 1) {
# __builtin_trap();
# }
# if (foo2(v)) {
# __builtin_trap();
# }
# }
|