| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mcpu=core-avx-i -mtriple=i386-unknown-linux-gnu -mattr=+avx,+popcnt,+cmov | FileCheck %s |
| |
| ; 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) { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vmovaps %xmm0, %xmm0 |
| ; CHECK-NEXT: retl |
| %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 |
| } |
| |
