diff options
Diffstat (limited to 'llvm/unittests/CodeGen/GlobalISel/PatternMatchTest.cpp')
| -rw-r--r-- | llvm/unittests/CodeGen/GlobalISel/PatternMatchTest.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/unittests/CodeGen/GlobalISel/PatternMatchTest.cpp b/llvm/unittests/CodeGen/GlobalISel/PatternMatchTest.cpp index da0aee6..cb8c7b4 100644 --- a/llvm/unittests/CodeGen/GlobalISel/PatternMatchTest.cpp +++ b/llvm/unittests/CodeGen/GlobalISel/PatternMatchTest.cpp @@ -51,6 +51,25 @@ TEST_F(AArch64GISelMITest, MatchIntConstantRegister) { EXPECT_EQ(Src0->VReg, MIBCst.getReg(0)); } +TEST_F(AArch64GISelMITest, MatchIntConstantSplat) { + setUp(); + if (!TM) + return; + + LLT s64 = LLT::scalar(64); + LLT v4s64 = LLT::fixed_vector(4, s64); + + MachineInstrBuilder FortyTwoSplat = + B.buildSplatVector(v4s64, B.buildConstant(s64, 42)); + int64_t Cst; + EXPECT_TRUE(mi_match(FortyTwoSplat.getReg(0), *MRI, m_ICstOrSplat(Cst))); + EXPECT_EQ(Cst, 42); + + MachineInstrBuilder NonConstantSplat = + B.buildBuildVector(v4s64, {Copies[0], Copies[0], Copies[0], Copies[0]}); + EXPECT_FALSE(mi_match(NonConstantSplat.getReg(0), *MRI, m_ICstOrSplat(Cst))); +} + TEST_F(AArch64GISelMITest, MachineInstrPtrBind) { setUp(); if (!TM) |