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-rw-r--r--llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp27
-rw-r--r--llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp24
2 files changed, 24 insertions, 27 deletions
diff --git a/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 7e44b03942c..7a224122d4b 100644
--- a/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -87,31 +87,6 @@ namespace {
//===----------------------------------------------------------------------===//
//===---------------------------------------===//
-// 'fputs' Optimizations
-
-struct FPutsOpt : public LibCallOptimization {
- virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
- // These optimizations require DataLayout.
- if (!TD) return 0;
-
- // Require two pointers. Also, we can't optimize if return value is used.
- FunctionType *FT = Callee->getFunctionType();
- if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
- !FT->getParamType(1)->isPointerTy() ||
- !CI->use_empty())
- return 0;
-
- // fputs(s,F) --> fwrite(s,1,strlen(s),F)
- uint64_t Len = GetStringLength(CI->getArgOperand(0));
- if (!Len) return 0;
- // Known to have no uses (see above).
- return EmitFWrite(CI->getArgOperand(0),
- ConstantInt::get(TD->getIntPtrType(*Context), Len-1),
- CI->getArgOperand(1), B, TD, TLI);
- }
-};
-
-//===---------------------------------------===//
// 'puts' Optimizations
struct PutsOpt : public LibCallOptimization {
@@ -153,7 +128,6 @@ namespace {
StringMap<LibCallOptimization*> Optimizations;
// Formatting and IO Optimizations
- FPutsOpt FPuts;
PutsOpt Puts;
bool Modified; // This is only used by doInitialization.
@@ -210,7 +184,6 @@ void SimplifyLibCalls::AddOpt(LibFunc::Func F1, LibFunc::Func F2,
/// we know.
void SimplifyLibCalls::InitOptimizations() {
// Formatting and IO Optimizations
- AddOpt(LibFunc::fputs, &FPuts);
Optimizations["puts"] = &Puts;
}
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 00a5d89cb2e..8d81ba4554a 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1610,6 +1610,28 @@ struct FWriteOpt : public LibCallOptimization {
}
};
+struct FPutsOpt : public LibCallOptimization {
+ virtual Value *callOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
+ // These optimizations require DataLayout.
+ if (!TD) return 0;
+
+ // Require two pointers. Also, we can't optimize if return value is used.
+ FunctionType *FT = Callee->getFunctionType();
+ if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
+ !FT->getParamType(1)->isPointerTy() ||
+ !CI->use_empty())
+ return 0;
+
+ // fputs(s,F) --> fwrite(s,1,strlen(s),F)
+ uint64_t Len = GetStringLength(CI->getArgOperand(0));
+ if (!Len) return 0;
+ // Known to have no uses (see above).
+ return EmitFWrite(CI->getArgOperand(0),
+ ConstantInt::get(TD->getIntPtrType(*Context), Len-1),
+ CI->getArgOperand(1), B, TD, TLI);
+ }
+};
+
} // End anonymous namespace.
namespace llvm {
@@ -1668,6 +1690,7 @@ class LibCallSimplifierImpl {
SPrintFOpt SPrintF;
FPrintFOpt FPrintF;
FWriteOpt FWrite;
+ FPutsOpt FPuts;
void initOptimizations();
void addOpt(LibFunc::Func F, LibCallOptimization* Opt);
@@ -1795,6 +1818,7 @@ void LibCallSimplifierImpl::initOptimizations() {
addOpt(LibFunc::sprintf, &SPrintF);
addOpt(LibFunc::fprintf, &FPrintF);
addOpt(LibFunc::fwrite, &FWrite);
+ addOpt(LibFunc::fputs, &FPuts);
}
Value *LibCallSimplifierImpl::optimizeCall(CallInst *CI) {
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