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1 //===- subzero/src/IceTargetLoweringX8632.cpp - x86-32 lowering -----------===// | 1 //===- subzero/src/IceTargetLoweringX8632.cpp - x86-32 lowering -----------===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file implements the TargetLoweringX8632 class, which | 10 // This file implements the TargetLoweringX8632 class, which |
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4111 if (NextCast->getCastKind() == InstCast::Sext && | 4111 if (NextCast->getCastKind() == InstCast::Sext && |
4112 NextCast->getSrc(0) == SignExtendedResult) { | 4112 NextCast->getSrc(0) == SignExtendedResult) { |
4113 NextCast->setDeleted(); | 4113 NextCast->setDeleted(); |
4114 _movp(NextCast->getDest(), legalizeToVar(SignExtendedResult)); | 4114 _movp(NextCast->getDest(), legalizeToVar(SignExtendedResult)); |
4115 // Skip over the instruction. | 4115 // Skip over the instruction. |
4116 Context.advanceNext(); | 4116 Context.advanceNext(); |
4117 } | 4117 } |
4118 } | 4118 } |
4119 } | 4119 } |
4120 | 4120 |
4121 void TargetX8632::lowerUnreachable(const InstUnreachable * /*Inst*/) { | 4121 void TargetX8632::lowerUnreachable(const InstUnreachable * /*Inst*/) { _ud2(); } |
4122 _ud2(); | |
4123 } | |
4124 | 4122 |
4125 // Turn an i64 Phi instruction into a pair of i32 Phi instructions, to | 4123 // Turn an i64 Phi instruction into a pair of i32 Phi instructions, to |
4126 // preserve integrity of liveness analysis. Undef values are also | 4124 // preserve integrity of liveness analysis. Undef values are also |
4127 // turned into zeroes, since loOperand() and hiOperand() don't expect | 4125 // turned into zeroes, since loOperand() and hiOperand() don't expect |
4128 // Undef input. | 4126 // Undef input. |
4129 void TargetX8632::prelowerPhis() { | 4127 void TargetX8632::prelowerPhis() { |
4130 CfgNode *Node = Context.getNode(); | 4128 CfgNode *Node = Context.getNode(); |
4131 for (Inst &I : Node->getPhis()) { | 4129 for (Inst &I : Node->getPhis()) { |
4132 auto Phi = llvm::dyn_cast<InstPhi>(&I); | 4130 auto Phi = llvm::dyn_cast<InstPhi>(&I); |
4133 if (Phi->isDeleted()) | 4131 if (Phi->isDeleted()) |
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4768 case FT_Asm: | 4766 case FT_Asm: |
4769 case FT_Iasm: { | 4767 case FT_Iasm: { |
4770 OstreamLocker L(Ctx); | 4768 OstreamLocker L(Ctx); |
4771 emitConstantPool<PoolTypeConverter<float>>(Ctx); | 4769 emitConstantPool<PoolTypeConverter<float>>(Ctx); |
4772 emitConstantPool<PoolTypeConverter<double>>(Ctx); | 4770 emitConstantPool<PoolTypeConverter<double>>(Ctx); |
4773 } break; | 4771 } break; |
4774 } | 4772 } |
4775 } | 4773 } |
4776 | 4774 |
4777 } // end of namespace Ice | 4775 } // end of namespace Ice |
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