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| author | Evan Cheng <evan.cheng@apple.com> | 2005-12-23 22:14:32 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2005-12-23 22:14:32 +0000 |
| commit | 171049d10f71fdeffdfd9592243d7af40db86c71 (patch) | |
| tree | d23595e4c5dd19b5898c3d4b26639c53077467bd /lib/Target/PowerPC/PPCInstrInfo.td | |
| parent | 7b05bd58149f7984257d7881aaa2bd9407628754 (diff) | |
| download | external_llvm-171049d10f71fdeffdfd9592243d7af40db86c71.zip external_llvm-171049d10f71fdeffdfd9592243d7af40db86c71.tar.gz external_llvm-171049d10f71fdeffdfd9592243d7af40db86c71.tar.bz2 | |
* Removed the use of FLAG. Now use hasFlagIn and hasFlagOut instead.
* Added a pseudo instruction (for each target) that represent "return void".
This is a workaround for lack of optional flag operand (return void is not
lowered so it does not have a flag operand.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24997 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.td')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.td | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td index f78cbbb..55eea5f 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.td +++ b/lib/Target/PowerPC/PPCInstrInfo.td @@ -46,7 +46,7 @@ def SDT_PPCCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>; def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,[SDNPHasChain]>; def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeq,[SDNPHasChain]>; -def SDT_PPCRetFlag : SDTypeProfile<0, 1, [ SDTCisVT<0, FlagVT>]>; +def SDT_PPCRetFlag : SDTypeProfile<0, 0, []>; def retflag : SDNode<"PPCISD::RET_FLAG", SDT_PPCRetFlag, [SDNPHasChain]>; //===----------------------------------------------------------------------===// @@ -223,8 +223,11 @@ let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler. let isTerminator = 1 in { + // FIXME: temporary workaround for return without an incoming flag. let isReturn = 1 in - def BLR : XLForm_2_ext<19, 16, 20, 0, 0, (ops), "blr", BrB, [(ret)]>; + def BLRVOID : XLForm_2_ext<19, 16, 20, 0, 0, (ops), "blr", BrB, [(ret)]>; + let isReturn = 1, hasInFlag = 1 in + def BLR : XLForm_2_ext<19, 16, 20, 0, 0, (ops), "blr", BrB, []>; def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>; } @@ -1056,7 +1059,7 @@ def : Pat<(f64 (extload iaddr:$src, f32)), def : Pat<(f64 (extload xaddr:$src, f32)), (FMRSD (LFSX xaddr:$src))>; -def : Pat<(retflag FLAG), (BLR)>; +def : Pat<(retflag), (BLR)>; // Same as above, but using a temporary. FIXME: implement temporaries :) /* |