xref: /llvm-project/llvm/test/CodeGen/X86/vshift_split.ll (revision 5a855551cb6fedfb3027b4de4172a962d04834ce)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-- -mattr=+sse2 | FileCheck %s
3
4; Example that requires splitting and expanding a vector shift.
5define <2 x i64> @update(<2 x i64> %val) nounwind readnone {
6; CHECK-LABEL: update:
7; CHECK:       # %bb.0: # %entry
8; CHECK-NEXT:    movdqa %xmm0, %xmm1
9; CHECK-NEXT:    psrlq $2, %xmm1
10; CHECK-NEXT:    psrlq $3, %xmm0
11; CHECK-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
12; CHECK-NEXT:    retl
13entry:
14	%shr = lshr <2 x i64> %val, < i64 2, i64 3 >
15	ret <2 x i64> %shr
16}
17