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| author | Evan Cheng <evan.cheng@apple.com> | 2007-12-12 23:12:09 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-12-12 23:12:09 +0000 |
| commit | 6e141fd04897e5eb4925bb6351297170ebd8a756 (patch) | |
| tree | 67154492dd48eec8a801c213a8e7c9bceaf0488a /lib/Target/PowerPC | |
| parent | 67f1c493d105fdfb8ffa980ff82ff7d9e3fafefc (diff) | |
| download | external_llvm-6e141fd04897e5eb4925bb6351297170ebd8a756.zip external_llvm-6e141fd04897e5eb4925bb6351297170ebd8a756.tar.gz external_llvm-6e141fd04897e5eb4925bb6351297170ebd8a756.tar.bz2 | |
Implicit def instructions, e.g. X86::IMPLICIT_DEF_GR32, are always re-materializable and they should not be spilled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44960 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td index 6a53a76..2aea254 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.td +++ b/lib/Target/PowerPC/PPCInstrInfo.td @@ -334,6 +334,7 @@ def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi), [(set GPRC:$result, (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>; +let isImplicitDef = 1 in { def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins), "${:comment}IMPLICIT_DEF_GPRC $rD", [(set GPRC:$rD, (undef))]>; @@ -343,6 +344,7 @@ def IMPLICIT_DEF_F8 : Pseudo<(outs F8RC:$rD), (ins), def IMPLICIT_DEF_F4 : Pseudo<(outs F4RC:$rD), (ins), "${:comment} IMPLICIT_DEF_F4 $rD", [(set F4RC:$rD, (undef))]>; +} // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the // scheduler into a branch sequence. |