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Fix SCEVExitLimitForget tests to make Sanitizer happy 

llvm-svn: 310023
This commit is contained in:
Max Kazantsev 2017-08-04 05:06:44 +00:00
parent 3f47a5c054
commit ba1e70e060
1 changed files with 9 additions and 2 deletions
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11
llvm/unittests/Analysis/ScalarEvolutionTest.cpp
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@ -994,6 +994,8 @@ TEST_F(ScalarEvolutionsTest, SCEVExitLimitForgetLoop) {
auto *Loop = LI->getLoopFor(L);
const SCEV *EC = SE.getBackedgeTakenCount(Loop);
EXPECT_FALSE(isa<SCEVCouldNotCompute>(EC));
EXPECT_TRUE(isa<SCEVConstant>(EC));
EXPECT_EQ(cast<SCEVConstant>(EC)->getAPInt().getLimitedValue(), 999);
SE.forgetLoop(Loop);
Br->eraseFromParent();
@ -1004,7 +1006,9 @@ TEST_F(ScalarEvolutionsTest, SCEVExitLimitForgetLoop) {
ICmpInst::ICMP_SLT, Add, ConstantInt::get(T_int64, 2000), "new.cond");
Builder.CreateCondBr(NewCond, L, Post);
const SCEV *NewEC = SE.getBackedgeTakenCount(Loop);
EXPECT_NE(EC, NewEC);
EXPECT_FALSE(isa<SCEVCouldNotCompute>(NewEC));
EXPECT_TRUE(isa<SCEVConstant>(NewEC));
EXPECT_EQ(cast<SCEVConstant>(NewEC)->getAPInt().getLimitedValue(), 1999);
}
// Make sure that SCEV invalidates exit limits after invalidating the values it
@ -1074,6 +1078,7 @@ TEST_F(ScalarEvolutionsTest, SCEVExitLimitForgetValue) {
auto *Loop = LI->getLoopFor(L);
const SCEV *EC = SE.getBackedgeTakenCount(Loop);
EXPECT_FALSE(isa<SCEVCouldNotCompute>(EC));
EXPECT_FALSE(isa<SCEVConstant>(EC));
SE.forgetValue(Load);
Br->eraseFromParent();
@ -1085,7 +1090,9 @@ TEST_F(ScalarEvolutionsTest, SCEVExitLimitForgetValue) {
ICmpInst::ICMP_SLT, Add, ConstantInt::get(T_int64, 2000), "new.cond");
Builder.CreateCondBr(NewCond, L, Post);
const SCEV *NewEC = SE.getBackedgeTakenCount(Loop);
EXPECT_NE(EC, NewEC);
EXPECT_FALSE(isa<SCEVCouldNotCompute>(NewEC));
EXPECT_TRUE(isa<SCEVConstant>(NewEC));
EXPECT_EQ(cast<SCEVConstant>(NewEC)->getAPInt().getLimitedValue(), 1999);
}
} // end anonymous namespace