| ; RUN: llc -march=x86-64 -mattr=-sse42,+sse41 < %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 |
| |
| ; CHECK: test: |
| ; CHECK: pextrd $2, %xmm |
| define <4 x i32> @test(<4 x i32>* %p) { |
| %v = load <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 |
| } |
