llvm-project/llvm/test/CodeGen/X86/vec_shift4.ll

88 lines
2.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=X64
define <2 x i64> @shl1(<4 x i32> %r, <4 x i32> %a) nounwind readnone ssp {
; X32-LABEL: shl1:
; X32: # %bb.0: # %entry
; X32-NEXT: pslld $23, %xmm1
; X32-NEXT: paddd {{\.LCPI.*}}, %xmm1
; X32-NEXT: cvttps2dq %xmm1, %xmm1
; X32-NEXT: pmulld %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: shl1:
; X64: # %bb.0: # %entry
; X64-NEXT: pslld $23, %xmm1
; X64-NEXT: paddd {{.*}}(%rip), %xmm1
; X64-NEXT: cvttps2dq %xmm1, %xmm1
; X64-NEXT: pmulld %xmm1, %xmm0
; X64-NEXT: retq
entry:
; CHECK-NOT: shll
; CHECK: pslld
; CHECK: paddd
; CHECK: cvttps2dq
; CHECK: pmulld
%shl = shl <4 x i32> %r, %a ; <<4 x i32>> [#uses=1]
%tmp2 = bitcast <4 x i32> %shl to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp2
}
define <2 x i64> @shl2(<16 x i8> %r, <16 x i8> %a) nounwind readnone ssp {
; X32-LABEL: shl2:
; X32: # %bb.0: # %entry
; X32-NEXT: movdqa %xmm0, %xmm2
; X32-NEXT: psllw $5, %xmm1
; X32-NEXT: movdqa %xmm0, %xmm3
; X32-NEXT: psllw $4, %xmm3
; X32-NEXT: pand {{\.LCPI.*}}, %xmm3
; X32-NEXT: movdqa %xmm1, %xmm0
; X32-NEXT: pblendvb %xmm0, %xmm3, %xmm2
; X32-NEXT: movdqa %xmm2, %xmm3
; X32-NEXT: psllw $2, %xmm3
; X32-NEXT: pand {{\.LCPI.*}}, %xmm3
; X32-NEXT: paddb %xmm1, %xmm1
; X32-NEXT: movdqa %xmm1, %xmm0
; X32-NEXT: pblendvb %xmm0, %xmm3, %xmm2
; X32-NEXT: movdqa %xmm2, %xmm3
; X32-NEXT: paddb %xmm2, %xmm3
; X32-NEXT: paddb %xmm1, %xmm1
; X32-NEXT: movdqa %xmm1, %xmm0
; X32-NEXT: pblendvb %xmm0, %xmm3, %xmm2
; X32-NEXT: movdqa %xmm2, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: shl2:
; X64: # %bb.0: # %entry
; X64-NEXT: movdqa %xmm0, %xmm2
; X64-NEXT: psllw $5, %xmm1
; X64-NEXT: movdqa %xmm0, %xmm3
; X64-NEXT: psllw $4, %xmm3
; X64-NEXT: pand {{.*}}(%rip), %xmm3
; X64-NEXT: movdqa %xmm1, %xmm0
; X64-NEXT: pblendvb %xmm0, %xmm3, %xmm2
; X64-NEXT: movdqa %xmm2, %xmm3
; X64-NEXT: psllw $2, %xmm3
; X64-NEXT: pand {{.*}}(%rip), %xmm3
; X64-NEXT: paddb %xmm1, %xmm1
; X64-NEXT: movdqa %xmm1, %xmm0
; X64-NEXT: pblendvb %xmm0, %xmm3, %xmm2
; X64-NEXT: movdqa %xmm2, %xmm3
; X64-NEXT: paddb %xmm2, %xmm3
; X64-NEXT: paddb %xmm1, %xmm1
; X64-NEXT: movdqa %xmm1, %xmm0
; X64-NEXT: pblendvb %xmm0, %xmm3, %xmm2
; X64-NEXT: movdqa %xmm2, %xmm0
; X64-NEXT: retq
entry:
; CHECK-NOT: shlb
; CHECK: pblendvb
; CHECK: pblendvb
; CHECK: pblendvb
%shl = shl <16 x i8> %r, %a ; <<16 x i8>> [#uses=1]
%tmp2 = bitcast <16 x i8> %shl to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp2
}