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| author | Duncan Sands <baldrick@free.fr> | 2011-04-01 03:34:54 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2011-04-01 03:34:54 +0000 |
| commit | 2d3cdd686b76b4b7815e621f2cd6e19b61c01723 (patch) | |
| tree | df566aabb33032e069ab18f3a3e6f804a1b1e0a4 /llvm/unittests/VMCore/InstructionsTest.cpp | |
| parent | 8a05f661396a231908508fefd1b4bcb60bf3f490 (diff) | |
| download | bcm5719-llvm-2d3cdd686b76b4b7815e621f2cd6e19b61c01723.tar.gz bcm5719-llvm-2d3cdd686b76b4b7815e621f2cd6e19b61c01723.zip | |
While testing dragonegg I noticed that isCastable and getCastOpcode
had gotten out of sync: isCastable didn't think it was possible to
cast the x86_mmx type to anything, while it did think it possible
to cast an i64 to x86_mmx.
llvm-svn: 128705
Diffstat (limited to 'llvm/unittests/VMCore/InstructionsTest.cpp')
| -rw-r--r-- | llvm/unittests/VMCore/InstructionsTest.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/unittests/VMCore/InstructionsTest.cpp b/llvm/unittests/VMCore/InstructionsTest.cpp index 1d1127d863b..d286c73d5c6 100644 --- a/llvm/unittests/VMCore/InstructionsTest.cpp +++ b/llvm/unittests/VMCore/InstructionsTest.cpp @@ -107,5 +107,18 @@ TEST(InstructionsTest, BranchInst) { delete bb1; } +TEST(InstructionsTest, CastInst) { + LLVMContext &C(getGlobalContext()); + + const Type* Int8Ty = Type::getInt8Ty(C); + const Type* Int64Ty = Type::getInt64Ty(C); + const Type* V8x8Ty = VectorType::get(Int8Ty, 8); + const Type* X86MMXTy = Type::getX86_MMXTy(C); + + EXPECT_TRUE(CastInst::isCastable(V8x8Ty, X86MMXTy)); + EXPECT_TRUE(CastInst::isCastable(X86MMXTy, V8x8Ty)); + EXPECT_FALSE(CastInst::isCastable(Int64Ty, X86MMXTy)); +} + } // end anonymous namespace } // end namespace llvm |
