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Clean up DIExpression::prependDIExpr a little. (NFC)

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llvm-svn: 301662
This commit is contained in:
Adrian Prantl
2017-04-28 17:51:05 +00:00
parent 2634d0ff5c
commit 109b236850
6 changed files with 20 additions and 27 deletions
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14
llvm/lib/IR/DebugInfoMetadata.cpp
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@@ -672,19 +672,17 @@ void DIExpression::appendOffset(SmallVectorImpl<uint64_t> &Ops,
}
}
DIExpression *
DIExpression::prependDIExpr(DIBuilder &Builder, DIExpression *DIExpr,
bool Deref, int64_t Offset,
bool StackValue) {
DIExpression *DIExpression::prepend(DIExpression *Expr, bool Deref,
int64_t Offset, bool StackValue) {
if (!Deref && !Offset && !StackValue)
return DIExpr;
return Expr;
SmallVector<uint64_t, 8> Ops;
appendOffset(Ops, Offset);
if (Deref)
Ops.push_back(dwarf::DW_OP_deref);
if (DIExpr)
for (auto Op : DIExpr->expr_ops()) {
if (Expr)
for (auto Op : Expr->expr_ops()) {
// A DW_OP_stack_value comes at the end, but before a DW_OP_LLVM_fragment.
if (StackValue) {
if (Op.getOp() == dwarf::DW_OP_stack_value)
@@ -700,7 +698,7 @@ DIExpression::prependDIExpr(DIBuilder &Builder, DIExpression *DIExpr,
}
if (StackValue)
Ops.push_back(dwarf::DW_OP_stack_value);
return Builder.createExpression(Ops);
return DIExpression::get(Expr->getContext(), Ops);
}
bool DIExpression::isConstant() const {