mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 20:12:56 +02:00
9e72586184
Make sure that we don't introduce illegal build_vector dag nodes when trying to fold a sign_extend of a build_vector. This fixes a regression introduced by r200234. Added test CodeGen/X86/fold-vector-sext-crash.ll to verify that llc no longer crashes with an assertion failure due to an illegal build_vector of type MVT::v4i64. Thanks to Ilia Filippov for spotting this regression and for providing a reproducible test case. llvm-svn: 200313
13 lines
548 B
LLVM
13 lines
548 B
LLVM
; RUN: llc < %s -mcpu=core-avx-i -mtriple=i386-unknown-linux-gnu -mattr=+avx,+popcnt,+cmov
|
|
|
|
; Make sure that we don't introduce illegal build_vector dag nodes
|
|
; when trying to fold a sign_extend of a constant build_vector.
|
|
; After r200234 the test case below was crashing the compiler with an assertion failure
|
|
; due to an illegal build_vector of type MVT::v4i64.
|
|
|
|
define <4 x i64> @foo(<4 x i64> %A) {
|
|
%1 = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x i64> %A, <4 x i64><i64 undef, i64 undef, i64 0, i64 0>
|
|
ret <4 x i64> %1
|
|
}
|
|
|