diff options
Diffstat (limited to 'llvm/unittests/IR')
| -rw-r--r-- | llvm/unittests/IR/PatternMatch.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/unittests/IR/PatternMatch.cpp b/llvm/unittests/IR/PatternMatch.cpp index d52d4fe980f..c2c38b73a27 100644 --- a/llvm/unittests/IR/PatternMatch.cpp +++ b/llvm/unittests/IR/PatternMatch.cpp @@ -471,6 +471,42 @@ TEST_F(PatternMatchTest, Unless) { EXPECT_FALSE(m_Unless(m_c_Add(m_Zero(), m_One())).match(X)); } +TEST_F(PatternMatchTest, ZExtSExtSelf) { + LLVMContext &Ctx = IRB.getContext(); + + Value *One32 = IRB.getInt32(1); + Value *One64Z = IRB.CreateZExt(One32, IntegerType::getInt64Ty(Ctx)); + Value *One64S = IRB.CreateSExt(One32, IntegerType::getInt64Ty(Ctx)); + + EXPECT_TRUE(m_One().match(One32)); + EXPECT_FALSE(m_One().match(One64Z)); + EXPECT_FALSE(m_One().match(One64S)); + + EXPECT_FALSE(m_ZExt(m_One()).match(One32)); + EXPECT_TRUE(m_ZExt(m_One()).match(One64Z)); + EXPECT_FALSE(m_ZExt(m_One()).match(One64S)); + + EXPECT_FALSE(m_SExt(m_One()).match(One32)); + EXPECT_FALSE(m_SExt(m_One()).match(One64Z)); + EXPECT_TRUE(m_SExt(m_One()).match(One64S)); + + EXPECT_TRUE(m_ZExtOrSelf(m_One()).match(One32)); + EXPECT_TRUE(m_ZExtOrSelf(m_One()).match(One64Z)); + EXPECT_FALSE(m_ZExtOrSelf(m_One()).match(One64S)); + + EXPECT_TRUE(m_SExtOrSelf(m_One()).match(One32)); + EXPECT_FALSE(m_SExtOrSelf(m_One()).match(One64Z)); + EXPECT_TRUE(m_SExtOrSelf(m_One()).match(One64S)); + + EXPECT_FALSE(m_ZExtOrSExt(m_One()).match(One32)); + EXPECT_TRUE(m_ZExtOrSExt(m_One()).match(One64Z)); + EXPECT_TRUE(m_ZExtOrSExt(m_One()).match(One64S)); + + EXPECT_TRUE(m_ZExtOrSExtOrSelf(m_One()).match(One32)); + EXPECT_TRUE(m_ZExtOrSExtOrSelf(m_One()).match(One64Z)); + EXPECT_TRUE(m_ZExtOrSExtOrSelf(m_One()).match(One64S)); +} + TEST_F(PatternMatchTest, Power2) { Value *C128 = IRB.getInt32(128); Value *CNeg128 = ConstantExpr::getNeg(cast<Constant>(C128)); |
