llvm-project/llvm/test/CodeGen/X86/vec-2bit-int.ll
Dmitry Sidorov d56d537f9b
[Clang] Allow vector and matrix type attributes for sub-byte _BitInt (#140253)
It is useful for several cases, particularly for 4-bit integers.
2025-05-20 15:06:36 +02:00

35 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
define dso_local <2 x i2> @foo(<2 x i2> %v1, <2 x i2> %v2) {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movq %xmm1, %rax
; CHECK-NEXT: andb $3, %al
; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm1[2,3,2,3]
; CHECK-NEXT: movq %xmm2, %rcx
; CHECK-NEXT: shlb $2, %cl
; CHECK-NEXT: orb %al, %cl
; CHECK-NEXT: andb $15, %cl
; CHECK-NEXT: movb %cl, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: movq %xmm0, %rax
; CHECK-NEXT: andb $3, %al
; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
; CHECK-NEXT: movq %xmm2, %rcx
; CHECK-NEXT: shlb $2, %cl
; CHECK-NEXT: orb %al, %cl
; CHECK-NEXT: andb $15, %cl
; CHECK-NEXT: movb %cl, -{{[0-9]+}}(%rsp)
; CHECK-NEXT: paddq %xmm1, %xmm0
; CHECK-NEXT: retq
entry:
%v2.addr = alloca <2 x i2>, align 2
%v1.addr = alloca <2 x i2>, align 2
store <2 x i2> %v2, ptr %v2.addr, align 2
store <2 x i2> %v1, ptr %v1.addr, align 2
%0 = load <2 x i2>, ptr %v1.addr, align 2
%1 = load <2 x i2>, ptr %v2.addr, align 2
%add = add <2 x i2> %0, %1
ret <2 x i2> %add
}