blob: 3f181b43c78106b2aaeb80e530f19ad014e64a84 [file] [log] [blame]
; RUN: llc < %s -mtriple=x86_64-- -mcpu=corei7 -debug
; REQUIRES: asserts
; Test that the dag combiner doesn't assert if we try to replace a sequence of two
; v4f32 X86ISD::PSHUFD nodes with a single PSHUFD.
define <4 x float> @test(<4 x float> %V) {
%1 = shufflevector <4 x float> %V, <4 x float> undef, <4 x i32> <i32 3, i32 0, i32 2, i32 1>
%2 = shufflevector <4 x float> %1, <4 x float> undef, <4 x i32> <i32 3, i32 0, i32 2, i32 1>
ret <4 x float> %2
}