diff options
-rw-r--r-- | include/llvm/IntrinsicsX86.td | 2 | ||||
-rw-r--r-- | lib/Target/X86/X86InstrMMX.td | 6 | ||||
-rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 44 | ||||
-rw-r--r-- | test/Assembler/AutoUpgradeMMXIntrinsics.ll | 3 |
4 files changed, 44 insertions, 11 deletions
diff --git a/include/llvm/IntrinsicsX86.td b/include/llvm/IntrinsicsX86.td index 2b18e7f..4946220 100644 --- a/include/llvm/IntrinsicsX86.td +++ b/include/llvm/IntrinsicsX86.td @@ -630,7 +630,7 @@ let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.". def int_x86_ssse3_pshuf_b_128 : GCCBuiltin<"__builtin_ia32_pshufb128">, Intrinsic<[llvm_v16i8_ty], [llvm_v16i8_ty, llvm_v16i8_ty], [IntrNoMem]>; - def int_x86_ssse3_pshuf_w : GCCBuiltin<"__builtin_ia32_pshufw">, + def int_x86_sse_pshuf_w : GCCBuiltin<"__builtin_ia32_pshufw">, Intrinsic<[llvm_x86mmx_ty], [llvm_x86mmx_ty, llvm_i8_ty], [IntrNoMem]>; } diff --git a/lib/Target/X86/X86InstrMMX.td b/lib/Target/X86/X86InstrMMX.td index c78099e..bb2165a 100644 --- a/lib/Target/X86/X86InstrMMX.td +++ b/lib/Target/X86/X86InstrMMX.td @@ -342,13 +342,13 @@ def MMX_PSHUFWri : MMXIi8<0x70, MRMSrcReg, (outs VR64:$dst), (ins VR64:$src1, i8imm:$src2), "pshufw\t{$src2, $src1, $dst|$dst, $src1, $src2}", [(set VR64:$dst, - (int_x86_ssse3_pshuf_w VR64:$src1, imm:$src2))]>; + (int_x86_sse_pshuf_w VR64:$src1, imm:$src2))]>; def MMX_PSHUFWmi : MMXIi8<0x70, MRMSrcMem, (outs VR64:$dst), (ins i64mem:$src1, i8imm:$src2), "pshufw\t{$src2, $src1, $dst|$dst, $src1, $src2}", [(set VR64:$dst, - (int_x86_ssse3_pshuf_w (load_mmx addr:$src1), - imm:$src2))]>; + (int_x86_sse_pshuf_w (load_mmx addr:$src1), + imm:$src2))]>; diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index 5b5955d..64b0b51 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -528,6 +528,16 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { // or 0. NewFn = 0; return true; + } else if (Name.compare(5, 17, "x86.ssse3.pshuf.w", 17) == 0) { + // This is an SSE/MMX instruction. + const Type *X86_MMXTy = VectorType::getX86_MMXTy(FTy->getContext()); + NewFn = + cast<Function>(M->getOrInsertFunction("llvm.x86.sse.pshuf.w", + X86_MMXTy, + X86_MMXTy, + Type::getInt8Ty(F->getContext()), + (Type*)0)); + return true; } break; @@ -631,22 +641,23 @@ static void ConstructNewCallInst(Function *NewFn, CallInst *OldCI, NewCI->setTailCall(OldCI->isTailCall()); NewCI->setCallingConv(OldCI->getCallingConv()); - // Handle any uses of the old CallInst. + // Handle any uses of the old CallInst. If the type has changed, add a cast. if (!OldCI->use_empty()) { - // If the type has changed, add a cast. - Instruction *I = OldCI; if (OldCI->getType() != NewCI->getType()) { Function *OldFn = OldCI->getCalledFunction(); CastInst *RetCast = CastInst::Create(CastInst::getCastOpcode(NewCI, true, OldFn->getReturnType(), true), NewCI, OldFn->getReturnType(), NewCI->getName(),OldCI); - I = RetCast; + + // Replace all uses of the old call with the new cast which has the + // correct type. + OldCI->replaceAllUsesWith(RetCast); + } else { + OldCI->replaceAllUsesWith(NewCI); } - // Replace all uses of the old call with the new cast which has the - // correct type. - OldCI->replaceAllUsesWith(I); } + // Clean up the old call now that it has been completely upgraded. OldCI->eraseFromParent(); } @@ -1150,6 +1161,25 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { ConstructNewCallInst(NewFn, CI, Operands, 3); break; } + case Intrinsic::x86_sse_pshuf_w: { + IRBuilder<> Builder(C); + Builder.SetInsertPoint(CI->getParent(), CI); + + // Cast the operand to the X86 MMX type. + Value *Operands[2]; + Operands[0] = + Builder.CreateBitCast(CI->getArgOperand(0), + NewFn->getFunctionType()->getParamType(0), + "upgraded."); + Operands[1] = + Builder.CreateTrunc(CI->getArgOperand(1), + Type::getInt8Ty(C), + "upgraded."); + + ConstructNewCallInst(NewFn, CI, Operands, 2); + break; + } + #if 0 case Intrinsic::x86_mmx_cvtsi32_si64: { // The return type needs to be changed. diff --git a/test/Assembler/AutoUpgradeMMXIntrinsics.ll b/test/Assembler/AutoUpgradeMMXIntrinsics.ll index 898582e..54120ff 100644 --- a/test/Assembler/AutoUpgradeMMXIntrinsics.ll +++ b/test/Assembler/AutoUpgradeMMXIntrinsics.ll @@ -4,6 +4,7 @@ ; RUN: grep {llvm\\.x86\\.mmx} %t | not grep {\\\<2 x i32\\\>} ; RUN: grep {llvm\\.x86\\.mmx} %t | not grep {\\\<4 x i16\\\>} ; RUN: grep {llvm\\.x86\\.mmx} %t | not grep {\\\<8 x i8\\\>} +; RUN: grep {llvm\\.x86\\.sse\\.pshuf\\.w} %t | not grep i32 ; Addition declare <8 x i8> @llvm.x86.mmx.padd.b(<8 x i8>, <8 x i8>) nounwind readnone @@ -207,6 +208,7 @@ declare void @llvm.x86.mmx.movnt.dq(i32*, <1 x i64>) nounwind readnone declare <1 x i64> @llvm.x86.mmx.palignr.b(<1 x i64>, <1 x i64>, i8) nounwind readnone declare i32 @llvm.x86.mmx.pextr.w(<1 x i64>, i32) nounwind readnone declare <1 x i64> @llvm.x86.mmx.pinsr.w(<1 x i64>, i32, i32) nounwind readnone +declare <4 x i16> @llvm.x86.ssse3.pshuf.w(<4 x i16>, i32) nounwind readnone define void @misc(<8 x i8> %A, <8 x i8> %B, <4 x i16> %C, <4 x i16> %D, <2 x i32> %E, <2 x i32> %F, <1 x i64> %G, <1 x i64> %H, i32* %I, i8 %J, i16 %K, i32 %L) { @@ -216,5 +218,6 @@ define void @misc(<8 x i8> %A, <8 x i8> %B, <4 x i16> %C, <4 x i16> %D, %r2 = call <1 x i64> @llvm.x86.mmx.palignr.b(<1 x i64> %G, <1 x i64> %H, i8 %J) %r3 = call i32 @llvm.x86.mmx.pextr.w(<1 x i64> %G, i32 37) %r4 = call <1 x i64> @llvm.x86.mmx.pinsr.w(<1 x i64> %G, i32 37, i32 927) + %r5 = call <4 x i16> @llvm.x86.ssse3.pshuf.w(<4 x i16> %C, i32 37) ret void } |