Changes in directory llvm/include/llvm/Support:
PatternMatch.h updated: 1.18 -> 1.19
---
Log message:
I love non-deturminism. Returning objects with references to stack objects is
a bad idea (TM).
---
Diffs of the changes: (+7 -5)
PatternMatch.h | 12 +++++++-----
1 files changed, 7 insertions(+), 5 deletions(-)
Index: llvm/include/llvm/Support/PatternMatch.h
diff -u llvm/include/llvm/Support/PatternMatch.h:1.18
llvm/include/llvm/Support/PatternMatch.h:1.19
--- llvm/include/llvm/Support/PatternMatch.h:1.18 Thu Feb 1 20:16:21 2007
+++ llvm/include/llvm/Support/PatternMatch.h Mon Feb 12 18:37:50 2007
@@ -223,19 +223,22 @@
template<typename LHS_t, typename RHS_t, typename Class, typename OpcType>
struct BinaryOpClass_match {
- OpcType &Opcode;
+ OpcType *Opcode;
LHS_t L;
RHS_t R;
BinaryOpClass_match(OpcType &Op, const LHS_t &LHS,
const RHS_t &RHS)
- : Opcode(Op), L(LHS), R(RHS) {}
+ : Opcode(&Op), L(LHS), R(RHS) {}
+ BinaryOpClass_match(const LHS_t &LHS, const RHS_t &RHS)
+ : Opcode(0), L(LHS), R(RHS) {}
template<typename OpTy>
bool match(OpTy *V) {
if (Class *I = dyn_cast<Class>(V))
if (L.match(I->getOperand(0)) && R.match(I->getOperand(1))) {
- Opcode = I->getOpcode();
+ if (Opcode)
+ *Opcode = I->getOpcode();
return true;
}
#if 0 // Doesn't handle constantexprs yet!
@@ -257,9 +260,8 @@
template<typename LHS, typename RHS>
inline BinaryOpClass_match<LHS, RHS, BinaryOperator, Instruction::BinaryOps>
m_Shift(const LHS &L, const RHS &R) {
- Instruction::BinaryOps Op;
return BinaryOpClass_match<LHS, RHS,
- BinaryOperator, Instruction::BinaryOps>(Op, L, R);
+ BinaryOperator, Instruction::BinaryOps>(L, R);
}
//===----------------------------------------------------------------------===//
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