diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/NaCl/ExpandI64.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/Transforms/NaCl/ExpandI64.cpp b/lib/Transforms/NaCl/ExpandI64.cpp index eadf7e900a..108e3055a2 100644 --- a/lib/Transforms/NaCl/ExpandI64.cpp +++ b/lib/Transforms/NaCl/ExpandI64.cpp @@ -347,12 +347,27 @@ void ExpandI64::splitInst(Instruction *I, DataLayout& DL) { case ICmpInst::ICMP_ULT: case ICmpInst::ICMP_SLT: case ICmpInst::ICMP_UGT: - case ICmpInst::ICMP_SGT: + case ICmpInst::ICMP_SGT: { + A = CopyDebug(new ICmpInst(I, Pred, Zero, Zero), I); + B = CopyDebug(new ICmpInst(I, ICmpInst::ICMP_EQ, Zero, Zero), I); + C = CopyDebug(new ICmpInst(I, Pred, Zero, Zero), I); + D = CopyDebug(BinaryOperator::Create(Instruction::And, B, C, "", I), I); + Final = CopyDebug(BinaryOperator::Create(Instruction::Or, A, D, "", I), I); + break; + } case ICmpInst::ICMP_ULE: case ICmpInst::ICMP_SLE: case ICmpInst::ICMP_UGE: case ICmpInst::ICMP_SGE: { - A = CopyDebug(new ICmpInst(I, Pred, Zero, Zero), I); + ICmpInst::Predicate StrictPred; + switch (Pred) { + case ICmpInst::ICMP_ULE: StrictPred = ICmpInst::ICMP_ULT; break; + case ICmpInst::ICMP_UGE: StrictPred = ICmpInst::ICMP_UGT; break; + case ICmpInst::ICMP_SLE: StrictPred = ICmpInst::ICMP_SLT; break; + case ICmpInst::ICMP_SGE: StrictPred = ICmpInst::ICMP_SGT; break; + default: assert(0); + } + A = CopyDebug(new ICmpInst(I, StrictPred, Zero, Zero), I); B = CopyDebug(new ICmpInst(I, ICmpInst::ICMP_EQ, Zero, Zero), I); C = CopyDebug(new ICmpInst(I, Pred, Zero, Zero), I); D = CopyDebug(BinaryOperator::Create(Instruction::And, B, C, "", I), I); @@ -602,9 +617,9 @@ void ExpandI64::finalizeInst(Instruction *I) { A->setOperand(0, LeftLH.Low); A->setOperand(1, RightLH.Low); B->setOperand(0, LeftLH.High); B->setOperand(1, RightLH.High); } else { - A->setOperand(0, LeftLH.Low); A->setOperand(1, RightLH.Low); - B->setOperand(0, LeftLH.Low); B->setOperand(1, RightLH.Low); - C->setOperand(0, LeftLH.High); C->setOperand(1, RightLH.High); + A->setOperand(0, LeftLH.High); A->setOperand(1, RightLH.High); + B->setOperand(0, LeftLH.High); B->setOperand(1, RightLH.High); + C->setOperand(0, LeftLH.Low); C->setOperand(1, RightLH.Low); } I->replaceAllUsesWith(Final); break; |