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authorJim Grosbach <grosbach@apple.com>2010-08-26 23:32:16 +0000
committerJim Grosbach <grosbach@apple.com>2010-08-26 23:32:16 +0000
commitfcb4a8ead3cd8d9540d5eaa448af5d14a0ee341a (patch)
treec862486011ddb50e10d07409076eaec8dc6026a0 /lib/Target/Blackfin
parent6cd467bd0e31df2decdf7081868810ef822b64d3 (diff)
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Simplify eliminateFrameIndex() interface back down now that PEI doesn't need
to try to re-use scavenged frame index reference registers. rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112241 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Blackfin')
-rw-r--r--lib/Target/Blackfin/BlackfinRegisterInfo.cpp12
-rw-r--r--lib/Target/Blackfin/BlackfinRegisterInfo.h5
2 files changed, 7 insertions, 10 deletions
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
index 797aa5d494..a51831263e 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.cpp
@@ -190,10 +190,9 @@ static unsigned findScratchRegister(MachineBasicBlock::iterator II,
return Reg;
}
-unsigned
+void
BlackfinRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
- int SPAdj, FrameIndexValue *Value,
- RegScavenger *RS) const {
+ int SPAdj, RegScavenger *RS) const {
MachineInstr &MI = *II;
MachineBasicBlock &MBB = *MI.getParent();
MachineFunction &MF = *MBB.getParent();
@@ -230,20 +229,20 @@ BlackfinRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
MI.setDesc(TII.get(isStore
? BF::STORE32p_uimm6m4
: BF::LOAD32p_uimm6m4));
- return 0;
+ return;
}
if (BaseReg == BF::FP && isUInt<7>(-Offset)) {
MI.setDesc(TII.get(isStore
? BF::STORE32fp_nimm7m4
: BF::LOAD32fp_nimm7m4));
MI.getOperand(FIPos+1).setImm(-Offset);
- return 0;
+ return;
}
if (isInt<18>(Offset)) {
MI.setDesc(TII.get(isStore
? BF::STORE32p_imm18m4
: BF::LOAD32p_imm18m4));
- return 0;
+ return;
}
// Use RegScavenger to calculate proper offset...
MI.dump();
@@ -328,7 +327,6 @@ BlackfinRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
llvm_unreachable("Cannot eliminate frame index");
break;
}
- return 0;
}
void BlackfinRegisterInfo::
diff --git a/lib/Target/Blackfin/BlackfinRegisterInfo.h b/lib/Target/Blackfin/BlackfinRegisterInfo.h
index 415d1bd108..bb83c34f80 100644
--- a/lib/Target/Blackfin/BlackfinRegisterInfo.h
+++ b/lib/Target/Blackfin/BlackfinRegisterInfo.h
@@ -51,9 +51,8 @@ namespace llvm {
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
- unsigned eliminateFrameIndex(MachineBasicBlock::iterator II,
- int SPAdj, FrameIndexValue *Value = NULL,
- RegScavenger *RS = NULL) const;
+ void eliminateFrameIndex(MachineBasicBlock::iterator II,
+ int SPAdj, RegScavenger *RS = NULL) const;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const;