diff options
| author | Chad Rosier <mcrosier@apple.com> | 2012-08-08 20:37:31 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2012-08-08 20:37:31 +0000 |
| commit | b64f3101e65e6931a1b3b3479ca6357624b37667 (patch) | |
| tree | dd60cfc21906bc14695d5ad79afd220c80916898 | |
| parent | 62f22b87801882646418bae85111e565f7a53ddb (diff) | |
[ms-inline asm] Add a very simple test case. Basically, we're only testing for
crashers at the moment (and coincidentally this case was causing a crash).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161520 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Sema/SemaStmt.cpp | 6 | ||||
| -rw-r--r-- | test/CodeGen/ms-inline-asm.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp index a8a06a93fc..be90578163 100644 --- a/lib/Sema/SemaStmt.cpp +++ b/lib/Sema/SemaStmt.cpp @@ -2786,6 +2786,9 @@ static std::string PatchMSAsmString(Sema &SemaRef, bool &IsSimple, SourceLocation AsmLoc, ArrayRef<Token> AsmToks, const TargetInfo &TI) { + if (!AsmToks.size()) + return ""; + std::string Res; IdentifierInfo *II = AsmToks[0].getIdentifierInfo(); Res = II->getName().str(); @@ -2841,6 +2844,9 @@ static std::string PatchMSAsmString(Sema &SemaRef, bool &IsSimple, static std::string buildMSAsmString(Sema &SemaRef, ArrayRef<Token> AsmToks, ArrayRef<unsigned> LineEnds) { + if (!AsmToks.size()) + return ""; + // Collect the tokens into a string SmallString<512> Asm; SmallString<512> TokenBuf; diff --git a/test/CodeGen/ms-inline-asm.c b/test/CodeGen/ms-inline-asm.c new file mode 100644 index 0000000000..2d36bbca52 --- /dev/null +++ b/test/CodeGen/ms-inline-asm.c @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -O0 -fms-extensions -w -emit-llvm -o - | FileCheck %s + +void t1() { +// CHECK: @t1 +// CHECK: ret void + __asm {} +} |