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authorGabor Greif <ggreif@gmail.com>2010-09-15 16:53:07 +0000
committerGabor Greif <ggreif@gmail.com>2010-09-15 16:53:07 +0000
commit7602993f2dc0a33d04cf5582cdf0cf515896ea7c (patch)
tree802a3a322e0c8073975c82b6e499df5103eba04f
parent34327856d92d027733524b9418bd188a9e8db5db (diff)
the darwin9-powerpc buildbot keeps consistently crashing,
backing out following to get it back to green, so I can investigate in peace: svn merge -c -113840 llvm/test/CodeGen/ARM/arm-and-tst-peephole.ll svn merge -c -113876 -c -113839 llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113980 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/ARM/ARMBaseInstrInfo.cpp16
-rw-r--r--test/CodeGen/ARM/arm-and-tst-peephole.ll3
2 files changed, 2 insertions, 17 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 315ddcbc7e..864c5f9dbb 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1352,20 +1352,6 @@ AnalyzeCompare(const MachineInstr *MI, unsigned &SrcReg, int &CmpValue) const {
SrcReg = MI->getOperand(0).getReg();
CmpValue = MI->getOperand(1).getImm();
return true;
- case ARM::TSTri: {
- if (&*MI->getParent()->begin() == MI)
- return false;
- const MachineInstr *AND = llvm::prior(MI);
- if (AND->getOpcode() != ARM::ANDri)
- return false;
- if (MI->getOperand(0).getReg() == AND->getOperand(1).getReg() &&
- MI->getOperand(1).getImm() == AND->getOperand(2).getImm()) {
- SrcReg = AND->getOperand(0).getReg();
- CmpValue = 0;
- return true;
- }
- }
- break;
}
return false;
@@ -1415,8 +1401,6 @@ OptimizeCompareInstr(MachineInstr *CmpInstr, unsigned SrcReg, int CmpValue,
switch (MI->getOpcode()) {
default: break;
case ARM::ADDri:
- case ARM::ANDri:
- case ARM::t2ANDri:
case ARM::SUBri:
case ARM::t2ADDri:
case ARM::t2SUBri:
diff --git a/test/CodeGen/ARM/arm-and-tst-peephole.ll b/test/CodeGen/ARM/arm-and-tst-peephole.ll
index 8d42a794fe..77bc9eec1a 100644
--- a/test/CodeGen/ARM/arm-and-tst-peephole.ll
+++ b/test/CodeGen/ARM/arm-and-tst-peephole.ll
@@ -17,7 +17,8 @@ tailrecurse: ; preds = %sw.bb, %entry
%tmp2 = load i8** %scevgep5
%0 = ptrtoint i8* %tmp2 to i32
-; CHECK: ands r12, r12, #3
+; CHECK: and lr, r12, #3
+; CHECK-NEXT: tst r12, #3
; CHECK-NEXT: beq LBB0_4
; T2: movs r5, #3