diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/bitcast-vector-bool.ll | 6 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll | 2 |
3 files changed, 10 insertions, 6 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 45048d25aec..4a4a1358700 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -11893,8 +11893,12 @@ static SDValue lowerShuffleAsSpecificZeroOrAnyExtend( SDValue PSHUFBMask[16]; for (int i = 0; i < 16; ++i) { int Idx = Offset + (i / Scale); - PSHUFBMask[i] = DAG.getConstant( - (i % Scale == 0 && SafeOffset(Idx)) ? Idx : 0x80, DL, MVT::i8); + if ((i % Scale == 0 && SafeOffset(Idx))) { + PSHUFBMask[i] = DAG.getConstant(Idx, DL, MVT::i8); + continue; + } + PSHUFBMask[i] = + AnyExt ? DAG.getUNDEF(MVT::i8) : DAG.getConstant(0x80, DL, MVT::i8); } InputV = DAG.getBitcast(MVT::v16i8, InputV); return DAG.getBitcast( diff --git a/llvm/test/CodeGen/X86/bitcast-vector-bool.ll b/llvm/test/CodeGen/X86/bitcast-vector-bool.ll index 1e402ae0e71..9bd23a09470 100644 --- a/llvm/test/CodeGen/X86/bitcast-vector-bool.ll +++ b/llvm/test/CodeGen/X86/bitcast-vector-bool.ll @@ -167,7 +167,7 @@ define i8 @bitcast_v16i8_to_v2i8(<16 x i8> %a0) nounwind { ; SSSE3: # %bb.0: ; SSSE3-NEXT: pmovmskb %xmm0, %eax ; SSSE3-NEXT: movd %eax, %xmm0 -; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero +; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,u,u,u,u,u,u,u,1,u,u,u,u,u,u,u] ; SSSE3-NEXT: movdqa %xmm0, -{{[0-9]+}}(%rsp) ; SSSE3-NEXT: movb -{{[0-9]+}}(%rsp), %al ; SSSE3-NEXT: addb -{{[0-9]+}}(%rsp), %al @@ -336,7 +336,7 @@ define i8 @bitcast_v16i16_to_v2i8(<16 x i16> %a0) nounwind { ; SSSE3-NEXT: packsswb %xmm1, %xmm0 ; SSSE3-NEXT: pmovmskb %xmm0, %eax ; SSSE3-NEXT: movd %eax, %xmm0 -; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero +; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,u,u,u,u,u,u,u,1,u,u,u,u,u,u,u] ; SSSE3-NEXT: movdqa %xmm0, -{{[0-9]+}}(%rsp) ; SSSE3-NEXT: movb -{{[0-9]+}}(%rsp), %al ; SSSE3-NEXT: addb -{{[0-9]+}}(%rsp), %al @@ -601,7 +601,7 @@ define i8 @bitcast_v16i32_to_v2i8(<16 x i32> %a0) nounwind { ; SSSE3-NEXT: packsswb %xmm2, %xmm0 ; SSSE3-NEXT: pmovmskb %xmm0, %eax ; SSSE3-NEXT: movd %eax, %xmm0 -; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero +; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,u,u,u,u,u,u,u,1,u,u,u,u,u,u,u] ; SSSE3-NEXT: movdqa %xmm0, -{{[0-9]+}}(%rsp) ; SSSE3-NEXT: movb -{{[0-9]+}}(%rsp), %al ; SSSE3-NEXT: addb -{{[0-9]+}}(%rsp), %al diff --git a/llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll b/llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll index 5b3ce4f9eab..f2ee3300a9f 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll @@ -1205,7 +1205,7 @@ define <16 x i8> @shuffle_v16i8_00_uu_uu_uu_uu_uu_uu_uu_01_uu_uu_uu_uu_uu_uu_uu( ; ; SSSE3-LABEL: shuffle_v16i8_00_uu_uu_uu_uu_uu_uu_uu_01_uu_uu_uu_uu_uu_uu_uu: ; SSSE3: # %bb.0: -; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero +; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,u,u,u,u,u,u,u,1,u,u,u,u,u,u,u] ; SSSE3-NEXT: retq ; ; SSE41-LABEL: shuffle_v16i8_00_uu_uu_uu_uu_uu_uu_uu_01_uu_uu_uu_uu_uu_uu_uu: |
