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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-02-21 00:45:26 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-02-21 00:45:26 +0000 |
| commit | 269e38d3976a15113cf72a04a559c1d124ac5dc6 (patch) | |
| tree | db67fa111d215170a0f2da0df4b980873361d700 /llvm/unittests/IR/DebugInfoTest.cpp | |
| parent | c22a5c2c6c519d9a5d25bc52b8b26ccebff62264 (diff) | |
| download | bcm5719-llvm-269e38d3976a15113cf72a04a559c1d124ac5dc6.tar.gz bcm5719-llvm-269e38d3976a15113cf72a04a559c1d124ac5dc6.zip | |
IR: Add helper to split debug info flags bitfield
Split debug info 'flags' bitfield over a vector so the current flags can
be iterated over. This API (in combination with r230107) will be used
for assembly support for symbolic constants.
llvm-svn: 230108
Diffstat (limited to 'llvm/unittests/IR/DebugInfoTest.cpp')
| -rw-r--r-- | llvm/unittests/IR/DebugInfoTest.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/unittests/IR/DebugInfoTest.cpp b/llvm/unittests/IR/DebugInfoTest.cpp index fa05425e333..3c6c78651fa 100644 --- a/llvm/unittests/IR/DebugInfoTest.cpp +++ b/llvm/unittests/IR/DebugInfoTest.cpp @@ -111,4 +111,25 @@ TEST(DIDescriptorTest, getFlagString) { EXPECT_EQ(StringRef(), DIDescriptor::getFlagString(0xffff)); } +TEST(DIDescriptorTest, splitFlags) { + // Some valid flags. +#define CHECK_SPLIT(FLAGS, VECTOR, REMAINDER) \ + { \ + SmallVector<unsigned, 8> V; \ + EXPECT_EQ(REMAINDER, DIDescriptor::splitFlags(FLAGS, V)); \ + EXPECT_TRUE(makeArrayRef(V).equals VECTOR); \ + } + CHECK_SPLIT(DIDescriptor::FlagPublic, (DIDescriptor::FlagPublic), 0u); + CHECK_SPLIT(DIDescriptor::FlagProtected, (DIDescriptor::FlagProtected), 0u); + CHECK_SPLIT(DIDescriptor::FlagPrivate, (DIDescriptor::FlagPrivate), 0u); + CHECK_SPLIT(DIDescriptor::FlagVector, (DIDescriptor::FlagVector), 0u); + CHECK_SPLIT(DIDescriptor::FlagRValueReference, (DIDescriptor::FlagRValueReference), 0u); + CHECK_SPLIT(DIDescriptor::FlagFwdDecl | DIDescriptor::FlagVector, + (DIDescriptor::FlagFwdDecl, DIDescriptor::FlagVector), 0u); + CHECK_SPLIT(0x100000u, (), 0x100000u); + CHECK_SPLIT(0x100000u | DIDescriptor::FlagVector, (DIDescriptor::FlagVector), + 0x100000u); +#undef CHECK_SPLIT +} + } // end namespace |
