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-rw-r--r--lib/Transforms/Utils/SimplifyLibCalls.cpp136
1 files changed, 90 insertions, 46 deletions
diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 126160dbbc..fbffd90a54 100644
--- a/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -152,7 +152,8 @@ protected:
struct InstFortifiedLibCallOptimization : public FortifiedLibCallOptimization {
CallInst *CI;
- bool isFoldable(unsigned SizeCIOp, unsigned SizeArgOp, bool isString) const {
+ bool isFoldable(unsigned SizeCIOp, unsigned SizeArgOp,
+ bool isString) const override {
if (CI->getArgOperand(SizeCIOp) == CI->getArgOperand(SizeArgOp))
return true;
if (ConstantInt *SizeCI =
@@ -175,7 +176,8 @@ struct InstFortifiedLibCallOptimization : public FortifiedLibCallOptimization {
};
struct MemCpyChkOpt : public InstFortifiedLibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
this->CI = CI;
FunctionType *FT = Callee->getFunctionType();
LLVMContext &Context = CI->getParent()->getContext();
@@ -198,7 +200,8 @@ struct MemCpyChkOpt : public InstFortifiedLibCallOptimization {
};
struct MemMoveChkOpt : public InstFortifiedLibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
this->CI = CI;
FunctionType *FT = Callee->getFunctionType();
LLVMContext &Context = CI->getParent()->getContext();
@@ -221,7 +224,8 @@ struct MemMoveChkOpt : public InstFortifiedLibCallOptimization {
};
struct MemSetChkOpt : public InstFortifiedLibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
this->CI = CI;
FunctionType *FT = Callee->getFunctionType();
LLVMContext &Context = CI->getParent()->getContext();
@@ -245,7 +249,8 @@ struct MemSetChkOpt : public InstFortifiedLibCallOptimization {
};
struct StrCpyChkOpt : public InstFortifiedLibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
this->CI = CI;
StringRef Name = Callee->getName();
FunctionType *FT = Callee->getFunctionType();
@@ -290,7 +295,8 @@ struct StrCpyChkOpt : public InstFortifiedLibCallOptimization {
};
struct StpCpyChkOpt : public InstFortifiedLibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
this->CI = CI;
StringRef Name = Callee->getName();
FunctionType *FT = Callee->getFunctionType();
@@ -340,7 +346,8 @@ struct StpCpyChkOpt : public InstFortifiedLibCallOptimization {
};
struct StrNCpyChkOpt : public InstFortifiedLibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
this->CI = CI;
StringRef Name = Callee->getName();
FunctionType *FT = Callee->getFunctionType();
@@ -369,7 +376,8 @@ struct StrNCpyChkOpt : public InstFortifiedLibCallOptimization {
//===----------------------------------------------------------------------===//
struct StrCatOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strcat" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
@@ -419,7 +427,8 @@ struct StrCatOpt : public LibCallOptimization {
};
struct StrNCatOpt : public StrCatOpt {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strncat" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 3 ||
@@ -463,7 +472,8 @@ struct StrNCatOpt : public StrCatOpt {
};
struct StrChrOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strchr" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
@@ -512,7 +522,8 @@ struct StrChrOpt : public LibCallOptimization {
};
struct StrRChrOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strrchr" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
@@ -548,7 +559,8 @@ struct StrRChrOpt : public LibCallOptimization {
};
struct StrCmpOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strcmp" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
@@ -593,7 +605,8 @@ struct StrCmpOpt : public LibCallOptimization {
};
struct StrNCmpOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strncmp" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 3 ||
@@ -643,7 +656,8 @@ struct StrNCmpOpt : public LibCallOptimization {
};
struct StrCpyOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "strcpy" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
@@ -672,7 +686,8 @@ struct StrCpyOpt : public LibCallOptimization {
};
struct StpCpyOpt: public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Verify the "stpcpy" function prototype.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
@@ -708,7 +723,8 @@ struct StpCpyOpt: public LibCallOptimization {
};
struct StrNCpyOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
FT->getParamType(0) != FT->getParamType(1) ||
@@ -755,8 +771,9 @@ struct StrNCpyOpt : public LibCallOptimization {
};
struct StrLenOpt : public LibCallOptimization {
- virtual bool ignoreCallingConv() { return true; }
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ bool ignoreCallingConv() override { return true; }
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 1 ||
FT->getParamType(0) != B.getInt8PtrTy() ||
@@ -778,7 +795,8 @@ struct StrLenOpt : public LibCallOptimization {
};
struct StrPBrkOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
FT->getParamType(0) != B.getInt8PtrTy() ||
@@ -813,7 +831,8 @@ struct StrPBrkOpt : public LibCallOptimization {
};
struct StrToOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if ((FT->getNumParams() != 2 && FT->getNumParams() != 3) ||
!FT->getParamType(0)->isPointerTy() ||
@@ -832,7 +851,8 @@ struct StrToOpt : public LibCallOptimization {
};
struct StrSpnOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
FT->getParamType(0) != B.getInt8PtrTy() ||
@@ -861,7 +881,8 @@ struct StrSpnOpt : public LibCallOptimization {
};
struct StrCSpnOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
FT->getParamType(0) != B.getInt8PtrTy() ||
@@ -893,7 +914,8 @@ struct StrCSpnOpt : public LibCallOptimization {
};
struct StrStrOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 ||
!FT->getParamType(0)->isPointerTy() ||
@@ -957,7 +979,8 @@ struct StrStrOpt : public LibCallOptimization {
};
struct MemCmpOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 3 || !FT->getParamType(0)->isPointerTy() ||
!FT->getParamType(1)->isPointerTy() ||
@@ -1009,7 +1032,8 @@ struct MemCmpOpt : public LibCallOptimization {
};
struct MemCpyOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// These optimizations require DataLayout.
if (!DL) return 0;
@@ -1028,7 +1052,8 @@ struct MemCpyOpt : public LibCallOptimization {
};
struct MemMoveOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// These optimizations require DataLayout.
if (!DL) return 0;
@@ -1047,7 +1072,8 @@ struct MemMoveOpt : public LibCallOptimization {
};
struct MemSetOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// These optimizations require DataLayout.
if (!DL) return 0;
@@ -1075,7 +1101,8 @@ struct MemSetOpt : public LibCallOptimization {
struct UnaryDoubleFPOpt : public LibCallOptimization {
bool CheckRetType;
UnaryDoubleFPOpt(bool CheckReturnType): CheckRetType(CheckReturnType) {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 1 || !FT->getReturnType()->isDoubleTy() ||
!FT->getParamType(0)->isDoubleTy())
@@ -1107,7 +1134,8 @@ struct UnaryDoubleFPOpt : public LibCallOptimization {
struct BinaryDoubleFPOpt : public LibCallOptimization {
bool CheckRetType;
BinaryDoubleFPOpt(bool CheckReturnType): CheckRetType(CheckReturnType) {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
// Just make sure this has 2 arguments of the same FP type, which match the
// result type.
@@ -1155,7 +1183,8 @@ struct UnsafeFPLibCallOptimization : public LibCallOptimization {
struct CosOpt : public UnsafeFPLibCallOptimization {
CosOpt(bool UnsafeFPShrink) : UnsafeFPLibCallOptimization(UnsafeFPShrink) {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
Value *Ret = NULL;
if (UnsafeFPShrink && Callee->getName() == "cos" &&
TLI->has(LibFunc::cosf)) {
@@ -1182,7 +1211,8 @@ struct CosOpt : public UnsafeFPLibCallOptimization {
struct PowOpt : public UnsafeFPLibCallOptimization {
PowOpt(bool UnsafeFPShrink) : UnsafeFPLibCallOptimization(UnsafeFPShrink) {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
Value *Ret = NULL;
if (UnsafeFPShrink && Callee->getName() == "pow" &&
TLI->has(LibFunc::powf)) {
@@ -1256,7 +1286,8 @@ struct PowOpt : public UnsafeFPLibCallOptimization {
struct Exp2Opt : public UnsafeFPLibCallOptimization {
Exp2Opt(bool UnsafeFPShrink) : UnsafeFPLibCallOptimization(UnsafeFPShrink) {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
Value *Ret = NULL;
if (UnsafeFPShrink && Callee->getName() == "exp2" &&
TLI->has(LibFunc::exp2f)) {
@@ -1313,7 +1344,8 @@ struct Exp2Opt : public UnsafeFPLibCallOptimization {
struct SinCosPiOpt : public LibCallOptimization {
SinCosPiOpt() {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Make sure the prototype is as expected, otherwise the rest of the
// function is probably invalid and likely to abort.
if (!isTrigLibCall(CI))
@@ -1464,7 +1496,8 @@ struct SinCosPiOpt : public LibCallOptimization {
//===----------------------------------------------------------------------===//
struct FFSOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
// Just make sure this has 2 arguments of the same FP type, which match the
// result type.
@@ -1497,8 +1530,9 @@ struct FFSOpt : public LibCallOptimization {
};
struct AbsOpt : public LibCallOptimization {
- virtual bool ignoreCallingConv() { return true; }
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ bool ignoreCallingConv() override { return true; }
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
// We require integer(integer) where the types agree.
if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() ||
@@ -1515,7 +1549,8 @@ struct AbsOpt : public LibCallOptimization {
};
struct IsDigitOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
// We require integer(i32)
if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() ||
@@ -1531,7 +1566,8 @@ struct IsDigitOpt : public LibCallOptimization {
};
struct IsAsciiOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
// We require integer(i32)
if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() ||
@@ -1546,7 +1582,8 @@ struct IsAsciiOpt : public LibCallOptimization {
};
struct ToAsciiOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
FunctionType *FT = Callee->getFunctionType();
// We require i32(i32)
if (FT->getNumParams() != 1 || FT->getReturnType() != FT->getParamType(0) ||
@@ -1566,7 +1603,8 @@ struct ToAsciiOpt : public LibCallOptimization {
struct ErrorReportingOpt : public LibCallOptimization {
ErrorReportingOpt(int S = -1) : StreamArg(S) {}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &) override {
// Error reporting calls should be cold, mark them as such.
// This applies even to non-builtin calls: it is only a hint and applies to
// functions that the frontend might not understand as builtins.
@@ -1668,7 +1706,8 @@ struct PrintFOpt : public LibCallOptimization {
return 0;
}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Require one fixed pointer argument and an integer/void result.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() < 1 || !FT->getParamType(0)->isPointerTy() ||
@@ -1761,7 +1800,8 @@ struct SPrintFOpt : public LibCallOptimization {
return 0;
}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Require two fixed pointer arguments and an integer result.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
@@ -1842,7 +1882,8 @@ struct FPrintFOpt : public LibCallOptimization {
return 0;
}
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Require two fixed paramters as pointers and integer result.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
@@ -1870,7 +1911,8 @@ struct FPrintFOpt : public LibCallOptimization {
};
struct FWriteOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
ErrorReportingOpt ER(/* StreamArg = */ 3);
(void) ER.callOptimizer(Callee, CI, B);
@@ -1906,7 +1948,8 @@ struct FWriteOpt : public LibCallOptimization {
};
struct FPutsOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
ErrorReportingOpt ER(/* StreamArg = */ 1);
(void) ER.callOptimizer(Callee, CI, B);
@@ -1931,7 +1974,8 @@ struct FPutsOpt : public LibCallOptimization {
};
struct PutsOpt : public LibCallOptimization {
- virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ Value *callOptimizer(Function *Callee, CallInst *CI,
+ IRBuilder<> &B) override {
// Require one fixed pointer argument and an integer/void result.
FunctionType *FT = Callee->getFunctionType();
if (FT->getNumParams() < 1 || !FT->getParamType(0)->isPointerTy() ||
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-15 12:21:27 +0000