forked from OSchip/llvm-project
22 lines
835 B
LLVM
22 lines
835 B
LLVM
; 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
|
|
}
|