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Better SourcePos reporting for gathers/scatters

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This commit is contained in:
Matt Pharr
2011-11-16 16:22:51 -08:00
parent f5a21d96a1
commit 068ea3e4c4
4 changed files with 41 additions and 20 deletions
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30
opt.cpp
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@@ -142,23 +142,33 @@ lCopyMetadata(llvm::Value *vto, const llvm::Instruction *from) {
static bool
lGetSourcePosFromMetadata(const llvm::Instruction *inst, SourcePos *pos) {
llvm::MDNode *filename = inst->getMetadata("filename");
llvm::MDNode *line = inst->getMetadata("line");
llvm::MDNode *column = inst->getMetadata("column");
if (!filename || !line || !column)
llvm::MDNode *first_line = inst->getMetadata("first_line");
llvm::MDNode *first_column = inst->getMetadata("first_column");
llvm::MDNode *last_line = inst->getMetadata("last_line");
llvm::MDNode *last_column = inst->getMetadata("last_column");
if (!filename || !first_line || !first_column || !last_line || !last_column)
return false;
// All of these asserts are things that FunctionEmitContext::addGSMetadata() is
// expected to have done in its operation
assert(filename->getNumOperands() == 1 && line->getNumOperands() == 1);
llvm::MDString *str = llvm::dyn_cast<llvm::MDString>(filename->getOperand(0));
assert(str);
llvm::ConstantInt *lnum = llvm::dyn_cast<llvm::ConstantInt>(line->getOperand(0));
assert(lnum);
llvm::ConstantInt *colnum = llvm::dyn_cast<llvm::ConstantInt>(column->getOperand(0));
assert(column);
llvm::ConstantInt *first_lnum =
llvm::dyn_cast<llvm::ConstantInt>(first_line->getOperand(0));
assert(first_lnum);
llvm::ConstantInt *first_colnum =
llvm::dyn_cast<llvm::ConstantInt>(first_column->getOperand(0));
assert(first_column);
llvm::ConstantInt *last_lnum =
llvm::dyn_cast<llvm::ConstantInt>(last_line->getOperand(0));
assert(last_lnum);
llvm::ConstantInt *last_colnum =
llvm::dyn_cast<llvm::ConstantInt>(last_column->getOperand(0));
assert(last_column);
*pos = SourcePos(str->getString().data(), (int)lnum->getZExtValue(),
(int)colnum->getZExtValue());
*pos = SourcePos(str->getString().data(), (int)first_lnum->getZExtValue(),
(int)first_colnum->getZExtValue(), (int)last_lnum->getZExtValue(),
(int)last_colnum->getZExtValue());
return true;
}