Add support for constant propogation of multiplies
llvm-svn: 214
diff --git a/llvm/lib/VMCore/ConstantHandling.cpp b/llvm/lib/VMCore/ConstantHandling.cpp
index e0a4ffb..e573c4b 100644
--- a/llvm/lib/VMCore/ConstantHandling.cpp
+++ b/llvm/lib/VMCore/ConstantHandling.cpp
@@ -42,6 +42,11 @@
return SubClassName::Sub((const ArgType *)V1, (const ArgType *)V2);
}
+ virtual ConstPoolVal *mul(const ConstPoolVal *V1,
+ const ConstPoolVal *V2) const {
+ return SubClassName::Mul((const ArgType *)V1, (const ArgType *)V2);
+ }
+
virtual ConstPoolBool *lessthan(const ConstPoolVal *V1,
const ConstPoolVal *V2) const {
return SubClassName::LessThan((const ArgType *)V1, (const ArgType *)V2);
@@ -56,11 +61,12 @@
inline static ConstPoolVal *Add(const ArgType *V1, const ArgType *V2) {
return 0;
}
-
inline static ConstPoolVal *Sub(const ArgType *V1, const ArgType *V2) {
return 0;
}
-
+ inline static ConstPoolVal *Mul(const ArgType *V1, const ArgType *V2) {
+ return 0;
+ }
inline static ConstPoolBool *LessThan(const ArgType *V1, const ArgType *V2) {
return 0;
}
@@ -138,6 +144,13 @@
return new ConstPoolClass(*Ty, Result);
}
+ inline static ConstPoolVal *Mul(const ConstPoolClass *V1,
+ const ConstPoolClass *V2) {
+ BuiltinType Result = (BuiltinType)V1->getValue() *
+ (BuiltinType)V2->getValue();
+ return new ConstPoolClass(*Ty, Result);
+ }
+
inline static ConstPoolBool *LessThan(const ConstPoolClass *V1,
const ConstPoolClass *V2) {
bool Result = (BuiltinType)V1->getValue() < (BuiltinType)V2->getValue();