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[X86][SSE] Use llvm.abs.* vector intrinsics instead of old (deprecated) SSE/AVX intrinsics for combine tests
This also allows us to extend testing to SSE2+ targets
This commit is contained in:
Simon Pilgrim
parent
7e62223ec7
commit
36ca61598a
@ -1,24 +1,37 @@
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512F
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512VL
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SSE,SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefixes=CHECK,SSE,SSE42
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefixes=CHECK,AVX,AVX512,AVX512F
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefixes=CHECK,AVX,AVX512,AVX512VL
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; fold (abs c1) -> c2
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define <4 x i32> @combine_v4i32_abs_constant() {
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; CHECK-LABEL: combine_v4i32_abs_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vmovaps {{.*#+}} xmm0 = [0,1,3,2147483648]
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; CHECK-NEXT: retq
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%1 = call <4 x i32> @llvm.x86.ssse3.pabs.d.128(<4 x i32> <i32 0, i32 -1, i32 3, i32 -2147483648>)
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; SSE-LABEL: combine_v4i32_abs_constant:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps {{.*#+}} xmm0 = [0,1,3,2147483648]
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; SSE-NEXT: retq
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;
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; AVX-LABEL: combine_v4i32_abs_constant:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps {{.*#+}} xmm0 = [0,1,3,2147483648]
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; AVX-NEXT: retq
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%1 = call <4 x i32> @llvm.abs.v4i32(<4 x i32> <i32 0, i32 -1, i32 3, i32 -2147483648>, i1 false)
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ret <4 x i32> %1
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}
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define <16 x i16> @combine_v16i16_abs_constant() {
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; CHECK-LABEL: combine_v16i16_abs_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vmovaps {{.*#+}} ymm0 = [0,1,1,3,3,7,7,255,255,4096,4096,32767,32767,32768,32768,0]
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; CHECK-NEXT: retq
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%1 = call <16 x i16> @llvm.x86.avx2.pabs.w(<16 x i16> <i16 0, i16 1, i16 -1, i16 3, i16 -3, i16 7, i16 -7, i16 255, i16 -255, i16 4096, i16 -4096, i16 32767, i16 -32767, i16 -32768, i16 32768, i16 65536>)
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; SSE-LABEL: combine_v16i16_abs_constant:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps {{.*#+}} xmm0 = [0,1,1,3,3,7,7,255]
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; SSE-NEXT: movaps {{.*#+}} xmm1 = [255,4096,4096,32767,32767,32768,32768,0]
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; SSE-NEXT: retq
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;
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; AVX-LABEL: combine_v16i16_abs_constant:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps {{.*#+}} ymm0 = [0,1,1,3,3,7,7,255,255,4096,4096,32767,32767,32768,32768,0]
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; AVX-NEXT: retq
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%1 = call <16 x i16> @llvm.abs.v16i16(<16 x i16> <i16 0, i16 1, i16 -1, i16 3, i16 -3, i16 7, i16 -7, i16 255, i16 -255, i16 4096, i16 -4096, i16 32767, i16 -32767, i16 -32768, i16 32768, i16 65536>, i1 false)
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ret <16 x i16> %1
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}
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@ -40,11 +53,24 @@ define i32 @combine_i32_abs_abs(i32 %a) {
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}
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define <8 x i16> @combine_v8i16_abs_abs(<8 x i16> %a) {
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; CHECK-LABEL: combine_v8i16_abs_abs:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vpabsw %xmm0, %xmm0
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; CHECK-NEXT: retq
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%a1 = call <8 x i16> @llvm.x86.ssse3.pabs.w.128(<8 x i16> %a)
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; SSE2-LABEL: combine_v8i16_abs_abs:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movdqa %xmm0, %xmm1
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; SSE2-NEXT: psraw $15, %xmm1
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; SSE2-NEXT: paddw %xmm1, %xmm0
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; SSE2-NEXT: pxor %xmm1, %xmm0
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; SSE2-NEXT: retq
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;
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; SSE42-LABEL: combine_v8i16_abs_abs:
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; SSE42: # %bb.0:
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; SSE42-NEXT: pabsw %xmm0, %xmm0
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; SSE42-NEXT: retq
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;
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; AVX-LABEL: combine_v8i16_abs_abs:
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; AVX: # %bb.0:
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; AVX-NEXT: vpabsw %xmm0, %xmm0
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; AVX-NEXT: retq
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%a1 = call <8 x i16> @llvm.abs.v8i16(<8 x i16> %a, i1 false)
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%s2 = ashr <8 x i16> %a1, <i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15>
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%a2 = add <8 x i16> %a1, %s2
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%x2 = xor <8 x i16> %a2, %s2
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@ -52,18 +78,63 @@ define <8 x i16> @combine_v8i16_abs_abs(<8 x i16> %a) {
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}
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define <32 x i8> @combine_v32i8_abs_abs(<32 x i8> %a) {
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; CHECK-LABEL: combine_v32i8_abs_abs:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vpabsb %ymm0, %ymm0
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; CHECK-NEXT: retq
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; SSE2-LABEL: combine_v32i8_abs_abs:
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; SSE2: # %bb.0:
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; SSE2-NEXT: pxor %xmm2, %xmm2
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; SSE2-NEXT: pxor %xmm3, %xmm3
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; SSE2-NEXT: pcmpgtb %xmm0, %xmm3
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; SSE2-NEXT: paddb %xmm3, %xmm0
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; SSE2-NEXT: pxor %xmm3, %xmm0
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; SSE2-NEXT: pcmpgtb %xmm1, %xmm2
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; SSE2-NEXT: paddb %xmm2, %xmm1
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; SSE2-NEXT: pxor %xmm2, %xmm1
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; SSE2-NEXT: retq
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;
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; SSE42-LABEL: combine_v32i8_abs_abs:
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; SSE42: # %bb.0:
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; SSE42-NEXT: pabsb %xmm0, %xmm0
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; SSE42-NEXT: pabsb %xmm1, %xmm1
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; SSE42-NEXT: retq
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;
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; AVX-LABEL: combine_v32i8_abs_abs:
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; AVX: # %bb.0:
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; AVX-NEXT: vpabsb %ymm0, %ymm0
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; AVX-NEXT: retq
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%n1 = sub <32 x i8> zeroinitializer, %a
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%b1 = icmp slt <32 x i8> %a, zeroinitializer
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%a1 = select <32 x i1> %b1, <32 x i8> %n1, <32 x i8> %a
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%a2 = call <32 x i8> @llvm.x86.avx2.pabs.b(<32 x i8> %a1)
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%a2 = call <32 x i8> @llvm.abs.v32i8(<32 x i8> %a1, i1 false)
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ret <32 x i8> %a2
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}
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define <4 x i64> @combine_v4i64_abs_abs(<4 x i64> %a) {
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; SSE2-LABEL: combine_v4i64_abs_abs:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movdqa %xmm0, %xmm2
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; SSE2-NEXT: psrad $31, %xmm2
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; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
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; SSE2-NEXT: paddq %xmm2, %xmm0
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; SSE2-NEXT: pxor %xmm2, %xmm0
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; SSE2-NEXT: movdqa %xmm1, %xmm2
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; SSE2-NEXT: psrad $31, %xmm2
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; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,1,3,3]
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; SSE2-NEXT: paddq %xmm2, %xmm1
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; SSE2-NEXT: pxor %xmm2, %xmm1
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; SSE2-NEXT: retq
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;
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; SSE42-LABEL: combine_v4i64_abs_abs:
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; SSE42: # %bb.0:
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; SSE42-NEXT: movdqa %xmm0, %xmm2
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; SSE42-NEXT: pxor %xmm3, %xmm3
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; SSE42-NEXT: pxor %xmm4, %xmm4
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; SSE42-NEXT: psubq %xmm0, %xmm4
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; SSE42-NEXT: blendvpd %xmm0, %xmm4, %xmm2
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; SSE42-NEXT: psubq %xmm1, %xmm3
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; SSE42-NEXT: movdqa %xmm1, %xmm0
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; SSE42-NEXT: blendvpd %xmm0, %xmm3, %xmm1
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; SSE42-NEXT: movapd %xmm2, %xmm0
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; SSE42-NEXT: retq
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;
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; AVX2-LABEL: combine_v4i64_abs_abs:
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; AVX2: # %bb.0:
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; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1
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@ -93,31 +164,42 @@ define <4 x i64> @combine_v4i64_abs_abs(<4 x i64> %a) {
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; fold (abs x) -> x iff not-negative
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define <16 x i8> @combine_v16i8_abs_constant(<16 x i8> %a) {
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; CHECK-LABEL: combine_v16i8_abs_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0
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; CHECK-NEXT: retq
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; SSE-LABEL: combine_v16i8_abs_constant:
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; SSE: # %bb.0:
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; SSE-NEXT: andps {{.*}}(%rip), %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: combine_v16i8_abs_constant:
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; AVX: # %bb.0:
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; AVX-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0
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; AVX-NEXT: retq
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%1 = insertelement <16 x i8> undef, i8 15, i32 0
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%2 = shufflevector <16 x i8> %1, <16 x i8> undef, <16 x i32> zeroinitializer
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%3 = and <16 x i8> %a, %2
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%4 = call <16 x i8> @llvm.x86.ssse3.pabs.b.128(<16 x i8> %3)
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%4 = call <16 x i8> @llvm.abs.v16i8(<16 x i8> %3, i1 false)
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ret <16 x i8> %4
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}
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define <8 x i32> @combine_v8i32_abs_pos(<8 x i32> %a) {
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; CHECK-LABEL: combine_v8i32_abs_pos:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vpsrld $1, %ymm0, %ymm0
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; CHECK-NEXT: retq
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; SSE-LABEL: combine_v8i32_abs_pos:
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; SSE: # %bb.0:
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; SSE-NEXT: psrld $1, %xmm0
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; SSE-NEXT: psrld $1, %xmm1
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; SSE-NEXT: retq
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;
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; AVX-LABEL: combine_v8i32_abs_pos:
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; AVX: # %bb.0:
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; AVX-NEXT: vpsrld $1, %ymm0, %ymm0
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; AVX-NEXT: retq
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%1 = lshr <8 x i32> %a, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
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%2 = call <8 x i32> @llvm.x86.avx2.pabs.d(<8 x i32> %1)
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%2 = call <8 x i32> @llvm.abs.v8i32(<8 x i32> %1, i1 false)
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ret <8 x i32> %2
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}
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declare <16 x i8> @llvm.x86.ssse3.pabs.b.128(<16 x i8>) nounwind readnone
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declare <4 x i32> @llvm.x86.ssse3.pabs.d.128(<4 x i32>) nounwind readnone
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declare <8 x i16> @llvm.x86.ssse3.pabs.w.128(<8 x i16>) nounwind readnone
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declare <16 x i8> @llvm.abs.v16i8(<16 x i8>, i1) nounwind readnone
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declare <4 x i32> @llvm.abs.v4i32(<4 x i32>, i1) nounwind readnone
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declare <8 x i16> @llvm.abs.v8i16(<8 x i16>, i1) nounwind readnone
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declare <32 x i8> @llvm.x86.avx2.pabs.b(<32 x i8>) nounwind readnone
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declare <8 x i32> @llvm.x86.avx2.pabs.d(<8 x i32>) nounwind readnone
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declare <16 x i16> @llvm.x86.avx2.pabs.w(<16 x i16>) nounwind readnone
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declare <32 x i8> @llvm.abs.v32i8(<32 x i8>, i1) nounwind readnone
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declare <8 x i32> @llvm.abs.v8i32(<8 x i32>, i1) nounwind readnone
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declare <16 x i16> @llvm.abs.v16i16(<16 x i16>, i1) nounwind readnone
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