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-rw-r--r--lib/Transforms/Utils/LoopSimplify.cpp7
-rw-r--r--lib/Transforms/Utils/Mem2Reg.cpp2
-rw-r--r--lib/Transforms/Utils/PromoteMemoryToRegister.cpp12
3 files changed, 11 insertions, 10 deletions
diff --git a/lib/Transforms/Utils/LoopSimplify.cpp b/lib/Transforms/Utils/LoopSimplify.cpp
index 44a2c1f85181..690972dc558b 100644
--- a/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/lib/Transforms/Utils/LoopSimplify.cpp
@@ -477,8 +477,13 @@ Loop *LoopSimplify::SeparateNestedLoop(Loop *L, LPPassManager &LPM) {
SmallVector<BasicBlock*, 8> OuterLoopPreds;
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
if (PN->getIncomingValue(i) != PN ||
- !L->contains(PN->getIncomingBlock(i)))
+ !L->contains(PN->getIncomingBlock(i))) {
+ // We can't split indirectbr edges.
+ if (isa<IndirectBrInst>(PN->getIncomingBlock(i)->getTerminator()))
+ return 0;
+
OuterLoopPreds.push_back(PN->getIncomingBlock(i));
+ }
BasicBlock *Header = L->getHeader();
BasicBlock *NewBB = SplitBlockPredecessors(Header, &OuterLoopPreds[0],
diff --git a/lib/Transforms/Utils/Mem2Reg.cpp b/lib/Transforms/Utils/Mem2Reg.cpp
index 941660436b46..99203b662120 100644
--- a/lib/Transforms/Utils/Mem2Reg.cpp
+++ b/lib/Transforms/Utils/Mem2Reg.cpp
@@ -73,7 +73,7 @@ bool PromotePass::runOnFunction(Function &F) {
if (Allocas.empty()) break;
- PromoteMemToReg(Allocas, DT, DF, F.getContext());
+ PromoteMemToReg(Allocas, DT, DF);
NumPromoted += Allocas.size();
Changed = true;
}
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index de6ad1dde580..e25f9e2a999a 100644
--- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -23,7 +23,6 @@
#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/ADT/DenseMap.h"
@@ -180,8 +179,6 @@ namespace {
///
AliasSetTracker *AST;
- LLVMContext &Context;
-
/// AllocaLookup - Reverse mapping of Allocas.
///
std::map<AllocaInst*, unsigned> AllocaLookup;
@@ -212,9 +209,8 @@ namespace {
DenseMap<const BasicBlock*, unsigned> BBNumPreds;
public:
PromoteMem2Reg(const std::vector<AllocaInst*> &A, DominatorTree &dt,
- DominanceFrontier &df, AliasSetTracker *ast,
- LLVMContext &C)
- : Allocas(A), DT(dt), DF(df), AST(ast), Context(C) {}
+ DominanceFrontier &df, AliasSetTracker *ast)
+ : Allocas(A), DT(dt), DF(df), AST(ast) {}
void run();
@@ -1003,9 +999,9 @@ NextIteration:
///
void llvm::PromoteMemToReg(const std::vector<AllocaInst*> &Allocas,
DominatorTree &DT, DominanceFrontier &DF,
- LLVMContext &Context, AliasSetTracker *AST) {
+ AliasSetTracker *AST) {
// If there is nothing to do, bail out...
if (Allocas.empty()) return;
- PromoteMem2Reg(Allocas, DT, DF, AST, Context).run();
+ PromoteMem2Reg(Allocas, DT, DF, AST).run();
}