[llvm-commits] [llvm] r83294 - /llvm/trunk/lib/Analysis/ConstantFolding.cpp
Chris Lattner
sabre at nondot.org
Sun Oct 4 22:06:25 PDT 2009
Author: lattner
Date: Mon Oct 5 00:06:24 2009
New Revision: 83294
URL: http://llvm.org/viewvc/llvm-project?rev=83294&view=rev
Log:
simplify this code a bunch.
Modified:
llvm/trunk/lib/Analysis/ConstantFolding.cpp
Modified: llvm/trunk/lib/Analysis/ConstantFolding.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ConstantFolding.cpp?rev=83294&r1=83293&r2=83294&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ConstantFolding.cpp (original)
+++ llvm/trunk/lib/Analysis/ConstantFolding.cpp Mon Oct 5 00:06:24 2009
@@ -721,9 +721,9 @@
return 0;
}
- if (Ty == Type::getFloatTy(Context))
+ if (Ty->isFloatTy())
return ConstantFP::get(Context, APFloat((float)V));
- if (Ty == Type::getDoubleTy(Context))
+ if (Ty->isDoubleTy())
return ConstantFP::get(Context, APFloat(V));
llvm_unreachable("Can only constant fold float/double");
return 0; // dummy return to suppress warning
@@ -740,9 +740,9 @@
return 0;
}
- if (Ty == Type::getFloatTy(Context))
+ if (Ty->isFloatTy())
return ConstantFP::get(Context, APFloat((float)V));
- if (Ty == Type::getDoubleTy(Context))
+ if (Ty->isDoubleTy())
return ConstantFP::get(Context, APFloat(V));
llvm_unreachable("Can only constant fold float/double");
return 0; // dummy return to suppress warning
@@ -756,19 +756,17 @@
if (!F->hasName()) return 0;
LLVMContext &Context = F->getContext();
StringRef Name = F->getName();
-
+
const Type *Ty = F->getReturnType();
if (NumOperands == 1) {
if (ConstantFP *Op = dyn_cast<ConstantFP>(Operands[0])) {
- if (Ty != Type::getFloatTy(F->getContext()) &&
- Ty != Type::getDoubleTy(Context))
+ if (!Ty->isFloatTy() && !Ty->isDoubleTy())
return 0;
/// Currently APFloat versions of these functions do not exist, so we use
/// the host native double versions. Float versions are not called
/// directly but for all these it is true (float)(f((double)arg)) ==
/// f(arg). Long double not supported yet.
- double V = Ty == Type::getFloatTy(Context) ?
- (double)Op->getValueAPF().convertToFloat():
+ double V = Ty->isFloatTy() ? (double)Op->getValueAPF().convertToFloat() :
Op->getValueAPF().convertToDouble();
switch (Name[0]) {
case 'a':
@@ -854,14 +852,16 @@
if (NumOperands == 2) {
if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) {
- if (Ty!=Type::getFloatTy(F->getContext()) &&
- Ty!=Type::getDoubleTy(Context))
+ if (!Ty->isFloatTy() && !Ty->isDoubleTy())
return 0;
- double Op1V = Ty==Type::getFloatTy(F->getContext()) ?
- (double)Op1->getValueAPF().convertToFloat():
+ double Op1V = Ty->isFloatTy() ?
+ (double)Op1->getValueAPF().convertToFloat() :
Op1->getValueAPF().convertToDouble();
if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) {
- double Op2V = Ty==Type::getFloatTy(F->getContext()) ?
+ if (Op2->getType() != Op1->getType())
+ return 0;
+
+ double Op2V = Ty->isFloatTy() ?
(double)Op2->getValueAPF().convertToFloat():
Op2->getValueAPF().convertToDouble();
More information about the llvm-commits
mailing list