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Previously, subprograms contained a metadata reference to the function they described. Because most clients need to get or set a subprogram for a given function rather than the other way around, this created unneeded inefficiency. For example, many passes needed to call the function llvm::makeSubprogramMap() to build a mapping from functions to subprograms, and the IR linker needed to fix up function references in a way that caused quadratic complexity in the IR linking phase of LTO. This change reverses the direction of the edge by storing the subprogram as function-level metadata and removing DISubprogram's function field. Since this is an IR change, a bitcode upgrade has been provided. Fixes PR23367. An upgrade script for textual IR for out-of-tree clients is attached to the PR. Differential Revision: http://reviews.llvm.org/D14265 llvm-svn: 252219 |
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| .. | ||
| AttributesTest.cpp | ||
| CMakeLists.txt | ||
| ConstantRangeTest.cpp | ||
| ConstantsTest.cpp | ||
| DebugInfoTest.cpp | ||
| DominatorTreeTest.cpp | ||
| InstructionsTest.cpp | ||
| IRBuilderTest.cpp | ||
| LegacyPassManagerTest.cpp | ||
| Makefile | ||
| MDBuilderTest.cpp | ||
| MetadataTest.cpp | ||
| PassManagerTest.cpp | ||
| PatternMatch.cpp | ||
| TypeBuilderTest.cpp | ||
| TypesTest.cpp | ||
| UserTest.cpp | ||
| UseTest.cpp | ||
| ValueHandleTest.cpp | ||
| ValueMapTest.cpp | ||
| ValueTest.cpp | ||
| VerifierTest.cpp | ||
| WaymarkTest.cpp | ||