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| author | Ehsan Akhgari <ehsan.akhgari@gmail.com> | 2014-10-08 17:28:34 +0000 |
|---|---|---|
| committer | Ehsan Akhgari <ehsan.akhgari@gmail.com> | 2014-10-08 17:28:34 +0000 |
| commit | 42924431012107c78d77af227020757b371c4e2f (patch) | |
| tree | 5ea712504fbe5914b9847b108b3d5b3720172822 /clang/lib/Sema/SemaStmtAsm.cpp | |
| parent | 731685e6bcf04bf40254430de5356692d7bffa27 (diff) | |
| download | bcm5719-llvm-42924431012107c78d77af227020757b371c4e2f.tar.gz bcm5719-llvm-42924431012107c78d77af227020757b371c4e2f.zip | |
ms-inline-asm: Correctly mark MS inline ASM labels as used
Summary: This fixes PR21155.
Test Plan: The patch includes a test.
Reviewers: rnk
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D5619
llvm-svn: 219322
Diffstat (limited to 'clang/lib/Sema/SemaStmtAsm.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaStmtAsm.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaStmtAsm.cpp b/clang/lib/Sema/SemaStmtAsm.cpp index 7f79a05b46d..a2e436ae7ee 100644 --- a/clang/lib/Sema/SemaStmtAsm.cpp +++ b/clang/lib/Sema/SemaStmtAsm.cpp @@ -561,7 +561,10 @@ LabelDecl *Sema::GetOrCreateMSAsmLabel(StringRef ExternalLabelName, LabelDecl* Label = LookupOrCreateLabel(PP.getIdentifierInfo(ExternalLabelName), Location); - if (!Label->isMSAsmLabel()) { + if (Label->isMSAsmLabel()) { + // If we have previously created this label implicitly, mark it as used. + Label->markUsed(Context); + } else { // Otherwise, insert it, but only resolve it if we have seen the label itself. std::string InternalName; llvm::raw_string_ostream OS(InternalName); |
