diff options
| author | Dan Gohman <gohman@apple.com> | 2009-10-12 16:36:12 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-10-12 16:36:12 +0000 |
| commit | 1c738f5ee6c48df39332389e307de1305903c8e7 (patch) | |
| tree | 5ad46ad03bc422e0f1120d753d5d1cf5205f1c7a /lib | |
| parent | e6acc86c5d19e865476fc4926de6dbb6797ee880 (diff) | |
| download | external_llvm-1c738f5ee6c48df39332389e307de1305903c8e7.zip external_llvm-1c738f5ee6c48df39332389e307de1305903c8e7.tar.gz external_llvm-1c738f5ee6c48df39332389e307de1305903c8e7.tar.bz2 | |
Don't forget to mark RAX as live-out of the function when arranging for
it to hold the address of an sret return value, for x86-64 ABI purposes.
Also, fix the test that was originally intended to test this to actually
test it, using FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83853 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index fb5399e..fadc818 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1162,6 +1162,9 @@ X86TargetLowering::LowerReturn(SDValue Chain, Chain = DAG.getCopyToReg(Chain, dl, X86::RAX, Val, Flag); Flag = Chain.getValue(1); + + // RAX now acts like a return value. + MF.getRegInfo().addLiveOut(X86::RAX); } RetOps[0] = Chain; // Update chain. |