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| author | Hal Finkel <hfinkel@anl.gov> | 2012-03-22 05:28:19 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2012-03-22 05:28:19 +0000 |
| commit | f2f6182f6a88cf4b8d8cb95686d68aa14ddb6857 (patch) | |
| tree | 2863a8aa823335232946291d2258919900c0027a | |
| parent | eabe3ad57d824c2b07016352fd97ce85777b6f9d (diff) | |
| download | external_llvm-f2f6182f6a88cf4b8d8cb95686d68aa14ddb6857.zip external_llvm-f2f6182f6a88cf4b8d8cb95686d68aa14ddb6857.tar.gz external_llvm-f2f6182f6a88cf4b8d8cb95686d68aa14ddb6857.tar.bz2 | |
PPC::DBG_VALUE must use Reg+Imm frame-index elimination even for large offsets. Fixes PR12203.
I don't have a small test case yet, but I'll try to construct one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153240 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 2976f01..ef13571 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -554,7 +554,8 @@ PPCRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II, // clear can be encoded. This is extremely uncommon, because normally you // only "std" to a stack slot that is at least 4-byte aligned, but it can // happen in invalid code. - if (isInt<16>(Offset) && (!isIXAddr || (Offset & 3) == 0)) { + if (OpC == PPC::DBG_VALUE || // DBG_VALUE is always Reg+Imm + (isInt<16>(Offset) && (!isIXAddr || (Offset & 3) == 0))) { if (isIXAddr) Offset >>= 2; // The actual encoded value has the low two bits zero. MI.getOperand(OffsetOperandNo).ChangeToImmediate(Offset); |