#include "llvm/IR/Dominators.h"
#include "llvm/Analysis/PostDominators.h"
#include "llvm/AsmParser/Parser.h"
+#include "llvm/IR/Constants.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
EXPECT_EQ(DominatedBBs.size(), 0UL);
EXPECT_EQ(PostDominatedBBs.size(), 0UL);
+ // Check DFS Numbers before
+ EXPECT_EQ(DT->getNode(BB0)->getDFSNumIn(), 0UL);
+ EXPECT_EQ(DT->getNode(BB0)->getDFSNumOut(), 7UL);
+ EXPECT_EQ(DT->getNode(BB1)->getDFSNumIn(), 1UL);
+ EXPECT_EQ(DT->getNode(BB1)->getDFSNumOut(), 2UL);
+ EXPECT_EQ(DT->getNode(BB2)->getDFSNumIn(), 5UL);
+ EXPECT_EQ(DT->getNode(BB2)->getDFSNumOut(), 6UL);
+ EXPECT_EQ(DT->getNode(BB4)->getDFSNumIn(), 3UL);
+ EXPECT_EQ(DT->getNode(BB4)->getDFSNumOut(), 4UL);
+
+ // Reattach block 3 to block 1 and recalculate
+ BB1->getTerminator()->eraseFromParent();
+ BranchInst::Create(BB4, BB3, ConstantInt::getTrue(F.getContext()), BB1);
+ DT->recalculate(F);
+
+ // Check DFS Numbers after
+ EXPECT_EQ(DT->getNode(BB0)->getDFSNumIn(), 0UL);
+ EXPECT_EQ(DT->getNode(BB0)->getDFSNumOut(), 9UL);
+ EXPECT_EQ(DT->getNode(BB1)->getDFSNumIn(), 1UL);
+ EXPECT_EQ(DT->getNode(BB1)->getDFSNumOut(), 4UL);
+ EXPECT_EQ(DT->getNode(BB2)->getDFSNumIn(), 7UL);
+ EXPECT_EQ(DT->getNode(BB2)->getDFSNumOut(), 8UL);
+ EXPECT_EQ(DT->getNode(BB3)->getDFSNumIn(), 2UL);
+ EXPECT_EQ(DT->getNode(BB3)->getDFSNumOut(), 3UL);
+ EXPECT_EQ(DT->getNode(BB4)->getDFSNumIn(), 5UL);
+ EXPECT_EQ(DT->getNode(BB4)->getDFSNumOut(), 6UL);
+
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
std::unique_ptr<Module> makeLLVMModule(DPass *P) {
const char *ModuleStrig =
"declare i32 @g()\n" \
- "define void @f(i32 %x) {\n" \
+ "define void @f(i32 %x) personality i32 ()* @g {\n" \
"bb0:\n" \
" %y1 = add i32 %x, 1\n" \
" %y2 = add i32 %x, 1\n" \
" %y4 = add i32 %x, 1\n" \
" br label %bb4\n" \
"bb2:\n" \
- " %y5 = landingpad i32 personality i32 ()* @g\n" \
+ " %y5 = landingpad i32\n" \
" cleanup\n" \
" br label %bb4\n" \
"bb3:\n" \