xref: /llvm-project/llvm/test/CodeGen/X86/4char-promote.ll (revision 8b5f2ab2a40c60518d7de4a76879572247fac540)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; A test for checking PR 9623
3; RUN: llc -mcpu=corei7 < %s | FileCheck %s
4
5target triple = "x86_64-apple-darwin"
6
7define <4 x i8> @foo(<4 x i8> %x, <4 x i8> %y) {
8; CHECK-LABEL: foo:
9; CHECK:       ## %bb.0: ## %entry
10; CHECK-NEXT:    pmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
11; CHECK-NEXT:    pmovzxbw {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
12; CHECK-NEXT:    pmullw %xmm1, %xmm2
13; CHECK-NEXT:    pshufb {{.*#+}} xmm2 = xmm2[0,2,4,6,u,u,u,u,u,u,u,u,u,u,u,u]
14; CHECK-NEXT:    paddb %xmm2, %xmm0
15; CHECK-NEXT:    retq
16entry:
17 %binop = mul <4 x i8> %x, %y
18 %binop6 = add <4 x i8> %binop, %x
19 ret <4 x i8> %binop6
20}
21
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23