File: DAGCombine_trunc_extract.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (18 lines) | stat: -rw-r--r-- 566 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: llc -mtriple=s390x-linux-gnu -mcpu=zEC12 < %s  | FileCheck %s
;
; Check that DAGCombiner doesn't crash in SystemZ combineTruncateExtract()
; when handling EXTRACT_VECTOR_ELT without vector support.

define void @autogen_SD21598(<2 x i8> %Arg) {
; CHECK:	stc	%r3, 0(%r1)
; CHECK:	j	.LBB0_1

entry:
  br label %loop

loop:                                            ; preds = %CF249, %CF247
  %Shuff = shufflevector <2 x i8> undef, <2 x i8> %Arg, <2 x i32> <i32 3, i32 1>
  %E = extractelement <2 x i8> %Shuff, i32 0
  store i8 %E, i8* undef
  br label %loop
}