yaxunl added inline comments.
================
Comment at: clang/lib/CodeGen/CodeGenAction.cpp:299-308
+ if (!LinkModules.empty() && Gen->CGM().getTriple().isAMDGCN() &&
+ !Gen->CGM().getLangOpts().GPURelocatableDeviceCode) {
+ const StringRef GVS[] = {"__oclc_daz_opt", "__oclc_unsafe_math_opt",
+ "__oclc_finite_only_opt",
+ "__oclc_correctly_rounded_sqrt32"};
+ for (StringRef Name : GVS) {
+ if (llvm::GlobalVariable *GV = getModule()->getGlobalVariable(Name))
----------------
need a test.
Probably let clang generate a bitcode containing a function using these control
vars, then link the bitcode by -mlink-builtin-bitcode, then check the linkage
of these control vars.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D130096/new/
https://reviews.llvm.org/D130096
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