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| author | Igor Breger <igor.breger@intel.com> | 2017-05-11 06:36:37 +0000 |
|---|---|---|
| committer | Igor Breger <igor.breger@intel.com> | 2017-05-11 06:36:37 +0000 |
| commit | db75455990b9eeeb90698a4c518246bf65bfbda4 (patch) | |
| tree | c92767f017cf679cb1658cd2bbaceca5b325d22c /llvm/lib/Target/X86/X86InstrInfo.cpp | |
| parent | cf84800ea0219001d493e8e7ecb8ce22bea443cd (diff) | |
| download | bcm5719-llvm-db75455990b9eeeb90698a4c518246bf65bfbda4.tar.gz bcm5719-llvm-db75455990b9eeeb90698a4c518246bf65bfbda4.zip | |
[X86] Move getX86ConditionCode() from X86FastISel.cpp to X86InstrInfo.cpp. NFC
Summary:
Move getX86ConditionCode() from X86FastISel.cpp to X86InstrInfo.cpp so it can be used by GloabalIsel instruction selector.
This is a pre-commit for a patch I'm working on to support G_ICMP. NFC.
Reviewers: zvi, guyblank, delena
Reviewed By: guyblank, delena
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33038
llvm-svn: 302767
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 888daa27526..33c9fcf839e 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -5729,6 +5729,44 @@ static X86::CondCode getSwappedCondition(X86::CondCode CC) { } } +std::pair<X86::CondCode, bool> +X86::getX86ConditionCode(CmpInst::Predicate Predicate) { + X86::CondCode CC = X86::COND_INVALID; + bool NeedSwap = false; + switch (Predicate) { + default: break; + // Floating-point Predicates + case CmpInst::FCMP_UEQ: CC = X86::COND_E; break; + case CmpInst::FCMP_OLT: NeedSwap = true; LLVM_FALLTHROUGH; + case CmpInst::FCMP_OGT: CC = X86::COND_A; break; + case CmpInst::FCMP_OLE: NeedSwap = true; LLVM_FALLTHROUGH; + case CmpInst::FCMP_OGE: CC = X86::COND_AE; break; + case CmpInst::FCMP_UGT: NeedSwap = true; LLVM_FALLTHROUGH; + case CmpInst::FCMP_ULT: CC = X86::COND_B; break; + case CmpInst::FCMP_UGE: NeedSwap = true; LLVM_FALLTHROUGH; + case CmpInst::FCMP_ULE: CC = X86::COND_BE; break; + case CmpInst::FCMP_ONE: CC = X86::COND_NE; break; + case CmpInst::FCMP_UNO: CC = X86::COND_P; break; + case CmpInst::FCMP_ORD: CC = X86::COND_NP; break; + case CmpInst::FCMP_OEQ: LLVM_FALLTHROUGH; + case CmpInst::FCMP_UNE: CC = X86::COND_INVALID; break; + + // Integer Predicates + case CmpInst::ICMP_EQ: CC = X86::COND_E; break; + case CmpInst::ICMP_NE: CC = X86::COND_NE; break; + case CmpInst::ICMP_UGT: CC = X86::COND_A; break; + case CmpInst::ICMP_UGE: CC = X86::COND_AE; break; + case CmpInst::ICMP_ULT: CC = X86::COND_B; break; + case CmpInst::ICMP_ULE: CC = X86::COND_BE; break; + case CmpInst::ICMP_SGT: CC = X86::COND_G; break; + case CmpInst::ICMP_SGE: CC = X86::COND_GE; break; + case CmpInst::ICMP_SLT: CC = X86::COND_L; break; + case CmpInst::ICMP_SLE: CC = X86::COND_LE; break; + } + + return std::make_pair(CC, NeedSwap); +} + /// Return a set opcode for the given condition and /// whether it has memory operand. unsigned X86::getSETFromCond(CondCode CC, bool HasMemoryOperand) { |
