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| author | Evan Cheng <evan.cheng@apple.com> | 2008-01-30 03:57:33 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-01-30 03:57:33 +0000 |
| commit | 9b107fc8cfacd14b45bb6349e946dcb6147d0614 (patch) | |
| tree | f348707f1b95d9d73aa145d3d3542dcbcf82a051 | |
| parent | 6d1aba85d85bd8309ae36837b977605d3ee2fc66 (diff) | |
| download | external_llvm-9b107fc8cfacd14b45bb6349e946dcb6147d0614.zip external_llvm-9b107fc8cfacd14b45bb6349e946dcb6147d0614.tar.gz external_llvm-9b107fc8cfacd14b45bb6349e946dcb6147d0614.tar.bz2 | |
Skip over the label which marks the beginning of the function before inserting prologue code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46546 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 277a09c..bca1973 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -525,6 +525,12 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { X86FI->getCalleeSavedFrameSize() +(-TailCallReturnAddrDelta)); uint64_t NumBytes = StackSize - X86FI->getCalleeSavedFrameSize(); + // Skip over the label which mark the beginning of the function. + if (MMI && MMI->needsFrameInfo() && + MBBI != MBB.end() && + MBBI->getOpcode() == X86::LABEL) + ++MBBI; + // Insert stack pointer adjustment for later moving of return addr. Only // applies to tail call optimized functions where the callee argument stack // size is bigger than the callers. |