File: pr25745.ll

package info (click to toggle)
llvm-toolchain-5.0 1:5.0.1-2~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 553,688 kB
  • sloc: cpp: 2,878,786; ansic: 584,110; asm: 246,252; python: 124,751; objc: 106,925; sh: 21,542; lisp: 8,628; pascal: 5,885; ml: 5,544; perl: 5,312; makefile: 2,208; cs: 2,022; xml: 686; php: 212; csh: 117
file content (20 lines) | stat: -rw-r--r-- 467 bytes parent folder | download | duplicates (21)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
; RUN: opt -S -instcombine < %s | FileCheck %s

; Checking for a crash

declare void @use.i1(i1 %val)
declare void @use.i64(i64 %val)

define i64 @f(i32 %x) {
; CHECK-LABEL: @f(
 entry:
  %x.wide = sext i32 %x to i64
  %minus.x = sub i32 0, %x
  %minus.x.wide = sext i32 %minus.x to i64
  %c = icmp slt i32 %x, 0
  %val = select i1 %c, i64 %x.wide, i64 %minus.x.wide
  call void @use.i1(i1 %c)
  call void @use.i64(i64 %x.wide)
  ret i64 %val
; CHECK: ret i64 %val
}