; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown -mattr=-sse4.2,+sse4.1 < %s | FileCheck %s ; Make sure we don't load from the location pointed to by %p ; twice: it has non-obvious performance implications, and ; the relevant transformation doesn't know how to update ; the chains correctly. ; PR10747 define <4 x i32> @test(<4 x i32>* %p) { ; CHECK-LABEL: test: ; CHECK: # %bb.0: ; CHECK-NEXT: movaps (%rdi), %xmm0 ; CHECK-NEXT: extractps $2, %xmm0, %eax ; CHECK-NEXT: cmpl $3, %eax ; CHECK-NEXT: je .LBB0_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: xorps %xmm0, %xmm0 ; CHECK-NEXT: .LBB0_2: ; CHECK-NEXT: retq %v = load <4 x i32>, <4 x i32>* %p %e = extractelement <4 x i32> %v, i32 2 %cmp = icmp eq i32 %e, 3 %sel = select i1 %cmp, <4 x i32> %v, <4 x i32> zeroinitializer ret <4 x i32> %sel }