Changes in directory llvm/lib/Bytecode/Reader:
Reader.cpp updated: 1.209 -> 1.210
---
Log message:
Support ICmp/FCmp constant expression reading and writing.
---
Diffs of the changes: (+12 -0)
Reader.cpp | 12 ++++++++++++
1 files changed, 12 insertions(+)
Index: llvm/lib/Bytecode/Reader/Reader.cpp
diff -u llvm/lib/Bytecode/Reader/Reader.cpp:1.209
llvm/lib/Bytecode/Reader/Reader.cpp:1.210
--- llvm/lib/Bytecode/Reader/Reader.cpp:1.209 Sun Dec 3 00:28:54 2006
+++ llvm/lib/Bytecode/Reader/Reader.cpp Sun Dec 3 11:17:02 2006
@@ -701,6 +701,8 @@
}
case Instruction::ICmp:
case Instruction::FCmp:
+ if (Oprnds.size() != 3)
+ error("Cmp instructions requires 3 operands");
// These instructions encode the comparison predicate as the 3rd operand.
Result = CmpInst::create(Instruction::OtherOps(Opcode),
static_cast<unsigned short>(Oprnds[2]),
@@ -1351,6 +1353,16 @@
ConstantExpr::getShuffleVector(ArgVec[0], ArgVec[1], ArgVec[2]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
return Result;
+ } else if (Opcode == Instruction::ICmp) {
+ if (ArgVec.size() != 2)
+ error("Invalid ICmp constant expr arguments");
+ unsigned short pred = read_vbr_uint();
+ return ConstantExpr::getICmp(pred, ArgVec[0], ArgVec[1]);
+ } else if (Opcode == Instruction::FCmp) {
+ if (ArgVec.size() != 2)
+ error("Invalid FCmp constant expr arguments");
+ unsigned short pred = read_vbr_uint();
+ return ConstantExpr::getFCmp(pred, ArgVec[0], ArgVec[1]);
} else { // All other 2-operand expressions
Constant* Result = ConstantExpr::get(Opcode, ArgVec[0], ArgVec[1]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
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