Jiri Slaby
e18feb65f3
OBS-URL: https://build.opensuse.org/package/show/devel:tools:statica/klee?expand=0&rev=51
72 lines
3.0 KiB
Diff
72 lines
3.0 KiB
Diff
From: Jiri Slaby <jirislaby@gmail.com>
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Date: Thu, 8 Jun 2017 13:25:56 +0200
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Subject: llvm: PointerType is not SequentialType in LLVM 4
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Patch-mainline: no
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So handle the type specially whenever needed.
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Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
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---
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include/klee/util/GetElementPtrTypeIterator.h | 4 ++++
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lib/Core/Executor.cpp | 22 ++++++++++++++++---
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2 files changed, 23 insertions(+), 3 deletions(-)
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diff --git a/include/klee/util/GetElementPtrTypeIterator.h b/include/klee/util/GetElementPtrTypeIterator.h
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index 5fb9f4ec5c2f..bf7cb6ff0bea 100644
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--- a/include/klee/util/GetElementPtrTypeIterator.h
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+++ b/include/klee/util/GetElementPtrTypeIterator.h
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@@ -78,6 +78,10 @@ class generic_gep_type_iterator
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generic_gep_type_iterator& operator++() { // Preincrement
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if (llvm::CompositeType *CT = dyn_cast<llvm::CompositeType>(CurTy)) {
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CurTy = CT->getTypeAtIndex(getOperand());
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+#if LLVM_VERSION_CODE >= LLVM_VERSION(4, 0)
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+ } else if (llvm::PointerType *ptr = dyn_cast<llvm::PointerType>(CurTy)) {
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+ CurTy = ptr->getElementType();
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+#endif
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} else {
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CurTy = 0;
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}
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diff --git a/lib/Core/Executor.cpp b/lib/Core/Executor.cpp
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index 61a54d72f48b..f994a82e2df7 100644
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--- a/lib/Core/Executor.cpp
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+++ b/lib/Core/Executor.cpp
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@@ -2589,8 +2589,7 @@ void Executor::computeOffsets(KGEPInstruction *kgepi, TypeIt ib, TypeIt ie) {
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uint64_t addend = sl->getElementOffset((unsigned) ci->getZExtValue());
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constantOffset = constantOffset->Add(ConstantExpr::alloc(addend,
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Context::get().getPointerWidth()));
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- } else {
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- const SequentialType *set = cast<SequentialType>(*ii);
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+ } else if (const SequentialType *set = dyn_cast<SequentialType>(*ii)) {
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uint64_t elementSize =
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kmodule->targetData->getTypeStoreSize(set->getElementType());
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Value *operand = ii.getOperand();
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@@ -2604,7 +2603,24 @@ void Executor::computeOffsets(KGEPInstruction *kgepi, TypeIt ib, TypeIt ie) {
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} else {
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kgepi->indices.push_back(std::make_pair(index, elementSize));
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}
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- }
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+#if LLVM_VERSION_CODE >= LLVM_VERSION(4, 0)
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+ } else if (const PointerType *ptr = dyn_cast<PointerType>(*ii)) {
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+ uint64_t elementSize =
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+ kmodule->targetData->getTypeStoreSize(ptr->getElementType());
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+ Value *operand = ii.getOperand();
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+ if (Constant *c = dyn_cast<Constant>(operand)) {
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+ ref<ConstantExpr> index =
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+ evalConstant(c)->SExt(Context::get().getPointerWidth());
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+ ref<ConstantExpr> addend =
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+ index->Mul(ConstantExpr::alloc(elementSize,
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+ Context::get().getPointerWidth()));
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+ constantOffset = constantOffset->Add(addend);
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+ } else {
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+ kgepi->indices.push_back(std::make_pair(index, elementSize));
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+ }
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+#endif
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+ } else
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+ assert("invalid type" && 0);
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index++;
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}
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kgepi->offset = constantOffset->getZExtValue();
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--
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2.17.1
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