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| author | Chris Lattner <sabre@nondot.org> | 2010-04-27 07:41:44 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-04-27 07:41:44 +0000 |
| commit | 64d43d80be37caf43bc7e116d5dc7d67f745533b (patch) | |
| tree | 72472420f09d277c30c77f774113ae607e72b0a0 /llvm/lib/CodeGen | |
| parent | f205977e6fffc01f11faaee00bcc673da24b1fac (diff) | |
| download | bcm5719-llvm-64d43d80be37caf43bc7e116d5dc7d67f745533b.tar.gz bcm5719-llvm-64d43d80be37caf43bc7e116d5dc7d67f745533b.zip | |
round zero-byte .zerofill directives up to 1 byte. This
should fix some "g++.dg-struct-layout-1" failures,
rdar://7886017
llvm-svn: 102421
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index 31cb0cab580..f000a7063d5 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -283,6 +283,8 @@ void AsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) { // Handle the zerofill directive on darwin, which is a special form of BSS // emission. if (GVKind.isBSSExtern() && MAI->hasMachoZeroFillDirective()) { + if (Size == 0) Size = 1; // zerofill of 0 bytes is undefined. + // .globl _foo OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global); // .zerofill __DATA, __common, _foo, 400, 5 |
