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| author | Akira Hatanaka <ahatanaka@apple.com> | 2015-07-02 22:15:41 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@apple.com> | 2015-07-02 22:15:41 +0000 |
| commit | fad164855f6b08690557f15af722968fe169f0ec (patch) | |
| tree | 6bf66920c034c97108307dc169eb94e6a17dbd7c /lib/CodeGen/CGCall.cpp | |
| parent | 247b5bd74b436fbaa561813d730c6045a33f4eae (diff) | |
Attach attribute "trap-func-name" to call sites of llvm.trap and llvm.debugtrap.
This is needed to use clang's command line option "-ftrap-function" for LTO and
enable changing the trap function name on a per-call-site basis.
rdar://problem/21225723
Differential Revision: http://reviews.llvm.org/D10831
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241306 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | lib/CodeGen/CGCall.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp index 142966e7c0..0535c05da5 100644 --- a/lib/CodeGen/CGCall.cpp +++ b/lib/CodeGen/CGCall.cpp @@ -1452,6 +1452,8 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI, // Attributes that should go on the call site only. if (!CodeGenOpts.SimplifyLibCalls) FuncAttrs.addAttribute(llvm::Attribute::NoBuiltin); + if (!CodeGenOpts.TrapFuncName.empty()) + FuncAttrs.addAttribute("trap-func-name", CodeGenOpts.TrapFuncName); } else { // Attributes that should go on the function, but not the call site. if (!CodeGenOpts.DisableFPElim) { |