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-rw-r--r--llvm/lib/Target/X86/X86FastISel.cpp46
-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.cpp38
-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.h4
3 files changed, 46 insertions, 42 deletions
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index 015306db6b4..fc3b4836c17 100644
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -180,44 +180,6 @@ private:
} // end anonymous namespace.
-static std::pair<X86::CondCode, bool>
-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);
-}
-
static std::pair<unsigned, bool>
getX86SSEConditionCode(CmpInst::Predicate Predicate) {
unsigned CC;
@@ -1559,7 +1521,7 @@ bool X86FastISel::X86SelectCmp(const Instruction *I) {
X86::CondCode CC;
bool SwapArgs;
- std::tie(CC, SwapArgs) = getX86ConditionCode(Predicate);
+ std::tie(CC, SwapArgs) = X86::getX86ConditionCode(Predicate);
assert(CC <= X86::LAST_VALID_COND && "Unexpected condition code.");
unsigned Opc = X86::getSETFromCond(CC);
@@ -1697,7 +1659,7 @@ bool X86FastISel::X86SelectBranch(const Instruction *I) {
bool SwapArgs;
unsigned BranchOpc;
- std::tie(CC, SwapArgs) = getX86ConditionCode(Predicate);
+ std::tie(CC, SwapArgs) = X86::getX86ConditionCode(Predicate);
assert(CC <= X86::LAST_VALID_COND && "Unexpected condition code.");
BranchOpc = X86::GetCondBranchFromCond(CC);
@@ -2070,7 +2032,7 @@ bool X86FastISel::X86FastEmitCMoveSelect(MVT RetVT, const Instruction *I) {
}
bool NeedSwap;
- std::tie(CC, NeedSwap) = getX86ConditionCode(Predicate);
+ std::tie(CC, NeedSwap) = X86::getX86ConditionCode(Predicate);
assert(CC <= X86::LAST_VALID_COND && "Unexpected condition code.");
const Value *CmpLHS = CI->getOperand(0);
@@ -2319,7 +2281,7 @@ bool X86FastISel::X86FastEmitPseudoSelect(MVT RetVT, const Instruction *I) {
const auto *CI = dyn_cast<CmpInst>(Cond);
if (CI && (CI->getParent() == I->getParent())) {
bool NeedSwap;
- std::tie(CC, NeedSwap) = getX86ConditionCode(CI->getPredicate());
+ std::tie(CC, NeedSwap) = X86::getX86ConditionCode(CI->getPredicate());
if (CC > X86::LAST_VALID_COND)
return false;
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) {
diff --git a/llvm/lib/Target/X86/X86InstrInfo.h b/llvm/lib/Target/X86/X86InstrInfo.h
index 6120541cc39..e64876073cc 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.h
+++ b/llvm/lib/Target/X86/X86InstrInfo.h
@@ -64,6 +64,10 @@ enum CondCode {
// Turn condition code into conditional branch opcode.
unsigned GetCondBranchFromCond(CondCode CC);
+/// \brief Return a pair of condition code for the given predicate and whether
+/// the instruction operands should be swaped to match the condition code.
+std::pair<CondCode, bool> getX86ConditionCode(CmpInst::Predicate Predicate);
+
/// \brief Return a set opcode for the given condition and whether it has
/// a memory operand.
unsigned getSETFromCond(CondCode CC, bool HasMemoryOperand = false);
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