diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 26c9cd76a1c..8f7b668ca0b 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -1909,6 +1909,7 @@ SDValue X86TargetLowering::getReturnAddressFrameIndex(SelectionDAG &DAG) { } + /// translateX86CC - do a one to one translation of a ISD::CondCode to the X86 /// specific condition code. It returns a false if it cannot do a direct /// translation. X86CC is the translated CondCode. LHS/RHS are modified as @@ -1935,10 +1936,7 @@ static bool translateX86CC(ISD::CondCode SetCCOpcode, bool isFP, return true; } } - } - bool Flip = false; - if (!isFP) { switch (SetCCOpcode) { default: break; case ISD::SETEQ: X86CC = X86::COND_E; break; @@ -1959,6 +1957,7 @@ static bool translateX86CC(ISD::CondCode SetCCOpcode, bool isFP, // 0 | 0 | 1 | X < Y // 1 | 0 | 0 | X == Y // 1 | 1 | 1 | unordered + bool Flip = false; switch (SetCCOpcode) { default: break; case ISD::SETUEQ: @@ -1980,24 +1979,11 @@ static bool translateX86CC(ISD::CondCode SetCCOpcode, bool isFP, case ISD::SETUO: X86CC = X86::COND_P; break; case ISD::SETO: X86CC = X86::COND_NP; break; } - } - - if (X86CC == X86::COND_INVALID) - return false; - - if (Flip) - std::swap(LHS, RHS); - - if (isFP) { - bool LHSCanFold = ISD::isNON_EXTLoad(LHS.getNode()) && LHS.hasOneUse(); - bool RHSCanFold = ISD::isNON_EXTLoad(RHS.getNode()) && RHS.hasOneUse(); - if (LHSCanFold && !RHSCanFold) { - X86CC = X86::GetSwappedBranchCondition(static_cast<X86::CondCode>(X86CC)); + if (Flip) std::swap(LHS, RHS); - } } - return true; + return X86CC != X86::COND_INVALID; } /// hasFPCMov - is there a floating point cmov for the specific X86 condition |
