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Unbreak the gdb buildbot by not lowering dbg.declare intrinsics for arrays.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl
2014-04-25 23:00:25 +00:00
parent eed2620611
commit 2bfbbd5d4d
2 changed files with 114 additions and 1 deletions
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8
lib/Transforms/Utils/Local.cpp
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@ -1019,6 +1019,12 @@ bool llvm::ConvertDebugDeclareToDebugValue(DbgDeclareInst *DDI,
return true;
}
/// Determine whether this alloca is either a VLA or an array.
static bool isArray(AllocaInst *AI) {
return AI->isArrayAllocation() ||
AI->getType()->getElementType()->isArrayTy();
}
/// LowerDbgDeclare - Lowers llvm.dbg.declare intrinsics into appropriate set
/// of llvm.dbg.value intrinsics.
bool llvm::LowerDbgDeclare(Function &F) {
@ -1041,7 +1047,7 @@ bool llvm::LowerDbgDeclare(Function &F) {
// stored on the stack, while the dbg.declare can only describe
// the stack slot (and at a lexical-scope granularity). Later
// passes will attempt to elide the stack slot.
if (AI && !AI->isArrayAllocation()) {
if (AI && !isArray(AI)) {
for (User *U : AI->users())
if (StoreInst *SI = dyn_cast<StoreInst>(U))
ConvertDebugDeclareToDebugValue(DDI, SI, DIB);