File: unknown-inst-tracking.ll

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 (25 lines) | stat: -rw-r--r-- 674 bytes parent folder | download | duplicates (7) 
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
 
; RUN: opt -S -licm -simple-loop-unswitch < %s | FileCheck %s

; This test checks for a crash.  See PR32587.

@global = external global i32

declare i32 @f_1(i8, i32 returned)

define i32 @f_0() {
; CHECK-LABEL: @f_0(
bb:
  br label %bb1

bb1:                                              ; preds = %bb3, %bb
  %tmp = load i32, i32* @global
  %tmp2 = select i1 false, i16 1, i16 0
  br label %bb3

bb3:                                              ; preds = %bb3, %bb1
  %tmp4 = phi i8 [ 0, %bb1 ], [ %tmp6, %bb3 ]
  %tmp5 = icmp eq i16 %tmp2, 0
  %tmp6 = select i1 %tmp5, i8 %tmp4, i8 1
  %tmp7 = tail call i32 @f_1(i8 %tmp6, i32 1)
  br i1 false, label %bb1, label %bb3
}