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Simplify the code a bit and avoid a gcc waring about uninitialized variables. 

llvm-svn: 105676
This commit is contained in:
Rafael Espindola 2010-06-09 03:48:40 +00:00
parent 7c26de3b0a
commit 6bb986d530
1 changed files with 24 additions and 29 deletions
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53
clang/lib/CodeGen/CGBuiltin.cpp
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@ -906,35 +906,7 @@ Value *CodeGenFunction::EmitNeonCall(Function *F, SmallVectorImpl<Value*> &Ops,
Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
const CallExpr *E) {
llvm::SmallVector<Value*, 4> Ops;
bool usgn, quad, poly, half;
const llvm::Type *Ty;
unsigned Int;
// Determine the type of this overloaded NEON intrinsic.
if (BuiltinID > ARM::BI__builtin_thread_pointer) {
for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++)
Ops.push_back(EmitScalarExpr(E->getArg(i)));
llvm::APSInt Result;
const Expr *Arg = E->getArg(E->getNumArgs()-1);
if (!Arg->isIntegerConstantExpr(Result, getContext()))
return 0;
unsigned type = Result.getZExtValue();
usgn = type & 0x08;
quad = type & 0x10;
poly = type == 5 || type == 6;
half = type == 7;
Ty = GetNeonType(VMContext, type & 0x7, quad);
if (!Ty)
return 0;
}
switch (BuiltinID) {
default: return 0;
case ARM::BI__clear_cache: {
if (BuiltinID == ARM::BI__clear_cache) {
const FunctionDecl *FD = E->getDirectCallee();
Value *a = EmitScalarExpr(E->getArg(0));
Value *b = EmitScalarExpr(E->getArg(1));
@ -944,6 +916,29 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
return Builder.CreateCall2(CGM.CreateRuntimeFunction(FTy, Name),
a, b);
}
llvm::SmallVector<Value*, 4> Ops;
// Determine the type of this overloaded NEON intrinsic.
assert(BuiltinID > ARM::BI__builtin_thread_pointer);
for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++)
Ops.push_back(EmitScalarExpr(E->getArg(i)));
llvm::APSInt Result;
const Expr *Arg = E->getArg(E->getNumArgs()-1);
if (!Arg->isIntegerConstantExpr(Result, getContext()))
return 0;
unsigned type = Result.getZExtValue();
bool usgn = type & 0x08;
bool quad = type & 0x10;
const llvm::Type *Ty = GetNeonType(VMContext, type & 0x7, quad);
if (!Ty)
return 0;
unsigned Int;
switch (BuiltinID) {
default: return 0;
case ARM::BI__builtin_neon_vaba_v:
case ARM::BI__builtin_neon_vabaq_v:
Int = usgn ? Intrinsic::arm_neon_vabau : Intrinsic::arm_neon_vabas;