1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=x86_64-unknown -mattr=-sse4.2,+sse4.1 < %s | FileCheck %s 3 4; Make sure we don't load from the location pointed to by %p 5; twice: it has non-obvious performance implications, and 6; the relevant transformation doesn't know how to update 7; the chains correctly. 8; PR10747 9 10define <4 x i32> @test(ptr %p) { 11; CHECK-LABEL: test: 12; CHECK: # %bb.0: 13; CHECK-NEXT: cmpl $3, 8(%rdi) 14; CHECK-NEXT: je .LBB0_1 15; CHECK-NEXT: # %bb.2: 16; CHECK-NEXT: xorps %xmm0, %xmm0 17; CHECK-NEXT: retq 18; CHECK-NEXT: .LBB0_1: 19; CHECK-NEXT: movaps (%rdi), %xmm0 20; CHECK-NEXT: retq 21 %v = load <4 x i32>, ptr %p 22 %e = extractelement <4 x i32> %v, i32 2 23 %cmp = icmp eq i32 %e, 3 24 %sel = select i1 %cmp, <4 x i32> %v, <4 x i32> zeroinitializer 25 ret <4 x i32> %sel 26} 27