1 ; RUN: llc < %s -march=x86-64 -mcpu=corei7 -debug 2 3 ; REQUIRES: asserts 4 5 ; Test that the dag combiner doesn't assert if we try to replace a sequence of two 6 ; v4f32 X86ISD::PSHUFD nodes with a single PSHUFD. 7 8 9 define <4 x float> @test(<4 x float> %V) { 10 %1 = shufflevector <4 x float> %V, <4 x float> undef, <4 x i32> <i32 3, i32 0, i32 2, i32 1> 11 %2 = shufflevector <4 x float> %1, <4 x float> undef, <4 x i32> <i32 3, i32 0, i32 2, i32 1> 12 ret <4 x float> %2 13 } 14 15
