StringRefize and simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144675 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BuildLibCalls.cpp b/lib/Transforms/Utils/BuildLibCalls.cpp
index 4b5f45b..fc74110 100644
--- a/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -15,11 +15,12 @@
#include "llvm/Type.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
+#include "llvm/Intrinsics.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Support/IRBuilder.h"
#include "llvm/Target/TargetData.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Intrinsics.h"
+#include "llvm/ADT/SmallString.h"
using namespace llvm;
@@ -206,19 +207,16 @@
/// 'floor'). This function is known to take a single of type matching 'Op' and
/// returns one value with the same type. If 'Op' is a long double, 'l' is
/// added as the suffix of name, if 'Op' is a float, we add a 'f' suffix.
-Value *llvm::EmitUnaryFloatFnCall(Value *Op, const char *Name,
- IRBuilder<> &B, const AttrListPtr &Attrs) {
- char NameBuffer[20];
+Value *llvm::EmitUnaryFloatFnCall(Value *Op, StringRef Name, IRBuilder<> &B,
+ const AttrListPtr &Attrs) {
+ SmallString<20> NameBuffer;
if (!Op->getType()->isDoubleTy()) {
// If we need to add a suffix, copy into NameBuffer.
- unsigned NameLen = strlen(Name);
- assert(NameLen < sizeof(NameBuffer)-2);
- memcpy(NameBuffer, Name, NameLen);
+ NameBuffer += Name;
if (Op->getType()->isFloatTy())
- NameBuffer[NameLen] = 'f'; // floorf
+ NameBuffer += 'f'; // floorf
else
- NameBuffer[NameLen] = 'l'; // floorl
- NameBuffer[NameLen+1] = 0;
+ NameBuffer += 'l'; // floorl
Name = NameBuffer;
}