File: fold-vector-bv-crash.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 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 (17 lines) | stat: -rw-r--r-- 475 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; RUN: llc < %s -mtriple=i686-unknown -mattr=+avx
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx

;
; llvm-stress generated crash case due to build_vector implicit
; truncation bug from constant folding after legalization.
;

@G = external global i32

define void @bv_crash_test() {
  %I = insertelement <4 x i64> zeroinitializer, i64 15910, i32 0
  %Tr = trunc <4 x i64> %I to <4 x i8>
  %Bc = bitcast <4 x i8> %Tr to i32
  store volatile i32 %Bc, i32* @G
  ret void
}