diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/clear_upper_vector_element_bits.ll | 15 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/insertelement-zero.ll | 23 |
3 files changed, 9 insertions, 32 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index a604a8bf789..eacf2e55143 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -14272,7 +14272,8 @@ SDValue X86TargetLowering::LowerINSERT_VECTOR_ELT(SDValue Op, // If we are inserting a element, see if we can do this more efficiently with // a blend shuffle with a rematerializable vector than a costly integer // insertion. - if ((IsZeroElt || IsAllOnesElt) && Subtarget.hasSSE41() && NumElts <= 8) { + if ((IsZeroElt || IsAllOnesElt) && Subtarget.hasSSE41() && + 16 <= EltVT.getSizeInBits()) { SmallVector<int, 8> BlendMask; for (unsigned i = 0; i != NumElts; ++i) BlendMask.push_back(i == IdxVal ? i + NumElts : i); diff --git a/llvm/test/CodeGen/X86/clear_upper_vector_element_bits.ll b/llvm/test/CodeGen/X86/clear_upper_vector_element_bits.ll index f6d816ec891..a6bc5aa321f 100644 --- a/llvm/test/CodeGen/X86/clear_upper_vector_element_bits.ll +++ b/llvm/test/CodeGen/X86/clear_upper_vector_element_bits.ll @@ -714,22 +714,13 @@ define <8 x i32> @_clearupper8xi32b(<8 x i32>) nounwind { ; ; AVX1-LABEL: _clearupper8xi32b: ; AVX1: # BB#0: -; AVX1-NEXT: vpxor %xmm1, %xmm1, %xmm1 -; AVX1-NEXT: vpblendw {{.*#+}} xmm2 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7] -; AVX1-NEXT: vblendps {{.*#+}} ymm2 = ymm2[0,1,2,3],ymm0[4,5,6,7] -; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0 -; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7] -; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm2, %ymm0 +; AVX1-NEXT: vandps {{.*}}(%rip), %ymm0, %ymm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: _clearupper8xi32b: ; AVX2: # BB#0: -; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1 -; AVX2-NEXT: vpblendw {{.*#+}} xmm2 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7] -; AVX2-NEXT: vpblendd {{.*#+}} ymm2 = ymm2[0,1,2,3],ymm0[4,5,6,7] -; AVX2-NEXT: vextracti128 $1, %ymm0, %xmm0 -; AVX2-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7] -; AVX2-NEXT: vinserti128 $1, %xmm0, %ymm2, %ymm0 +; AVX2-NEXT: vpxor %ymm1, %ymm1, %ymm1 +; AVX2-NEXT: vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7],ymm0[8],ymm1[9],ymm0[10],ymm1[11],ymm0[12],ymm1[13],ymm0[14],ymm1[15] ; AVX2-NEXT: retq %x16 = bitcast <8 x i32> %0 to <16 x i16> %r0 = insertelement <16 x i16> %x16, i16 zeroinitializer, i32 1 diff --git a/llvm/test/CodeGen/X86/insertelement-zero.ll b/llvm/test/CodeGen/X86/insertelement-zero.ll index 18f414a0b7c..e30772b528b 100644 --- a/llvm/test/CodeGen/X86/insertelement-zero.ll +++ b/llvm/test/CodeGen/X86/insertelement-zero.ll @@ -405,25 +405,10 @@ define <16 x i16> @insert_v16i16_z12345z789ABCDEz(<16 x i16> %a) { ; SSE41-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,5,6],xmm2[7] ; SSE41-NEXT: retq ; -; AVX1-LABEL: insert_v16i16_z12345z789ABCDEz: -; AVX1: # BB#0: -; AVX1-NEXT: vpxor %xmm1, %xmm1, %xmm1 -; AVX1-NEXT: vpblendw {{.*#+}} xmm2 = xmm1[0],xmm0[1,2,3,4,5],xmm1[6],xmm0[7] -; AVX1-NEXT: vblendps {{.*#+}} ymm2 = ymm2[0,1,2,3],ymm0[4,5,6,7] -; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0 -; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,5,6],xmm1[7] -; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm2, %ymm0 -; AVX1-NEXT: retq -; -; AVX2-LABEL: insert_v16i16_z12345z789ABCDEz: -; AVX2: # BB#0: -; AVX2-NEXT: vpxor %xmm1, %xmm1, %xmm1 -; AVX2-NEXT: vpblendw {{.*#+}} xmm2 = xmm1[0],xmm0[1,2,3,4,5],xmm1[6],xmm0[7] -; AVX2-NEXT: vpblendd {{.*#+}} ymm2 = ymm2[0,1,2,3],ymm0[4,5,6,7] -; AVX2-NEXT: vextracti128 $1, %ymm0, %xmm0 -; AVX2-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,5,6],xmm1[7] -; AVX2-NEXT: vinserti128 $1, %xmm0, %ymm2, %ymm0 -; AVX2-NEXT: retq +; AVX-LABEL: insert_v16i16_z12345z789ABCDEz: +; AVX: # BB#0: +; AVX-NEXT: vandps {{.*}}(%rip), %ymm0, %ymm0 +; AVX-NEXT: retq %1 = insertelement <16 x i16> %a, i16 0, i32 0 %2 = insertelement <16 x i16> %1, i16 0, i32 6 %3 = insertelement <16 x i16> %2, i16 0, i32 15 |
