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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-12-30 22:59:32 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-12-30 22:59:32 +0000 |
| commit | 0ec89f928ce5b3294c2ed644ec1a42656e1af39d (patch) | |
| tree | a1d142a2a104671fac18cb81e1ce3774aacb9cd8 /lib/CodeGen/CGDecl.cpp | |
| parent | a9de3fa8a9c22dd419eda9be53e8c7c428cce1c0 (diff) | |
Add support for declaring register contraints in variables. They are only used
in asm statements:
register int foo asm("rdi");
asm("..." : ... "r" (foo) ...
We also only accept these variables if the constraint in the asm statement is "r".
This fixes most of PR3933.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122643 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGDecl.cpp')
| -rw-r--r-- | lib/CodeGen/CGDecl.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp index 2c54332185..77984b11cc 100644 --- a/lib/CodeGen/CGDecl.cpp +++ b/lib/CodeGen/CGDecl.cpp @@ -104,9 +104,6 @@ void CodeGenFunction::EmitDecl(const Decl &D) { /// EmitVarDecl - This method handles emission of any variable declaration /// inside a function, including static vars etc. void CodeGenFunction::EmitVarDecl(const VarDecl &D) { - if (D.hasAttr<AsmLabelAttr>()) - CGM.ErrorUnsupported(&D, "__asm__"); - switch (D.getStorageClass()) { case SC_None: case SC_Auto: |