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Adding, removing, or changing non-pack parameters can change the ABI classification of pack parameters. Clang and other frontends encode the classification in the IR of the call site, but the callee side determines it dynamically based on the number of registers consumed so far. Changing the prototype affects the number of registers consumed would break such code. Dead argument elimination performs a similar task and already has a similar check to avoid this problem. Patch by Thomas Jablin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216421 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Hello | ||
InstCombine | ||
Instrumentation | ||
IPO | ||
ObjCARC | ||
Scalar | ||
Utils | ||
Vectorize | ||
CMakeLists.txt | ||
LLVMBuild.txt | ||
Makefile |