File: add_across_block_crash.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (30 lines) | stat: -rw-r--r-- 721 bytes parent folder | download | duplicates (15)
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: opt < %s -reassociate -S | FileCheck %s

; This test is to make sure while processing a block, uses of instructions
; from a different basic block don't get added to be re-optimized

define  void @main() {
; CHECK-LABEL: @main(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 undef, label %bb1, label %bb2
; CHECK:       bb1:
; CHECK-NEXT:    ret void
; CHECK:       bb2:
; CHECK-NEXT:    ret void
;
entry:
  %0 = fadd fast float undef, undef
  br i1 undef, label %bb1, label %bb2

bb1:
  %1 = fmul fast float undef, -2.000000e+00
  %2 = fmul fast float %1, 2.000000e+00
  %3 = fadd fast float %2, 2.000000e+00
  %4 = fadd fast float %3, %0
  %mul351 = fmul fast float %4, 5.000000e-01
  ret void

bb2:
  ret void
}