llvm.org GIT mirror llvm / testing test / CodeGen / X86 / widen_conversions.ll
testing

Tree @testing (Download .tar.gz)

widen_conversions.ll @testingraw · history · blame

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 -x86-experimental-vector-widening-legalization | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 -x86-experimental-vector-widening-legalization | FileCheck %s --check-prefix=X64

define <4 x i32> @zext_v4i8_to_v4i32(<4 x i8>* %ptr) {
; X86-LABEL: zext_v4i8_to_v4i32:
; X86:       # BB#0:
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-NEXT:    pxor %xmm1, %xmm1
; X86-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; X86-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
; X86-NEXT:    retl
;
; X64-LABEL: zext_v4i8_to_v4i32:
; X64:       # BB#0:
; X64-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT:    pxor %xmm1, %xmm1
; X64-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
; X64-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
; X64-NEXT:    retq
  %val = load <4 x i8>, <4 x i8>* %ptr
  %ext = zext <4 x i8> %val to <4 x i32>
  ret <4 x i32> %ext
}