Use a predicate function to identify bitcast of fp and integer instead of
repeating the logic in two different parts of the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index a4d5483..13fd574 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -1676,6 +1676,15 @@
printType(Out, RetTy, FunctionInnards.str());
}
+static inline bool isFPIntBitCast(const Instruction &I) {
+ if (!isa<BitCastInst>(I))
+ return false;
+ const Type *SrcTy = I.getOperand(0)->getType();
+ const Type *DstTy = I.getType();
+ return (SrcTy->isFloatingPoint() && DstTy->isInteger()) ||
+ (DstTy->isFloatingPoint() && SrcTy->isInteger());
+}
+
void CWriter::printFunction(Function &F) {
printFunctionSignature(&F, false);
Out << " {\n";
@@ -1718,11 +1727,7 @@
// We need a temporary for the BitCast to use so it can pluck a value out
// of a uniont to do the BitCast. This is separate from the need for a
// variable to hold the result of the BitCast.
- if (isa<BitCastInst>(*I) &&
- ((I->getType()->isFloatingPoint() &&
- I->getOperand(0)->getType()->isInteger()) ||
- (I->getType()->isInteger() &&
- I->getOperand(0)->getType()->isFloatingPoint()))) {
+ if (isFPIntBitCast(*I)) {
Out << " llvmBitCastUnion " << Mang->getValueName(&*I)
<< "__BITCAST_TEMPORARY;\n";
PrintedVar = true;
@@ -2025,12 +2030,7 @@
const Type *DstTy = I.getType();
const Type *SrcTy = I.getOperand(0)->getType();
Out << '(';
- if (isa<BitCastInst>(I) &&
- ((I.getType()->isFloatingPoint() &&
- I.getOperand(0)->getType()->isInteger()) ||
- (I.getType()->isInteger() &&
- I.getOperand(0)->getType()->isFloatingPoint()))) {
-
+ if (isFPIntBitCast(I)) {
// These int<->float and long<->double casts need to be handled specially
Out << Mang->getValueName(&I) << "__BITCAST_TEMPORARY."
<< getFloatBitCastField(I.getOperand(0)->getType()) << " = ";