| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx | FileCheck %s |
| |
| ; Use buildFromShuffleMostly which allows this to be generated as two 128-bit |
| ; shuffles and an insert. |
| |
| ; This is the (somewhat questionable) LLVM IR that is generated for: |
| ; x8.s0123456 = x8.s1234567; // x8 is a <8 x float> type |
| ; x8.s7 = f; // f is float |
| |
| |
| define <8 x float> @test1(<8 x float> %a, float %b) { |
| ; CHECK-LABEL: test1: |
| ; CHECK: vinsertps |
| ; CHECK-NOT: vinsertps |
| entry: |
| %shift = shufflevector <8 x float> %a, <8 x float> undef, <7 x i32> <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> |
| %extend = shufflevector <7 x float> %shift, <7 x float> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 undef> |
| %insert = insertelement <8 x float> %extend, float %b, i32 7 |
| |
| ret <8 x float> %insert |
| } |