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authorCameron Zwarich <zwarich@apple.com>2011-04-15 21:24:38 +0000
committerCameron Zwarich <zwarich@apple.com>2011-04-15 21:24:38 +0000
commit0cb11ac32fc09c5db42fb801db242ac9fb51f6b1 (patch)
tree9ab277597e35edd12827665a3179cdd1b21e595f /lib
parent3e03e5d2a95670efec327550d15895c25e7fc43b (diff)
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Add ORR and EOR to the CMP peephole optimizer. It's hard to get isel to generate
a case involving EOR, so I only added a test for ORR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129610 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/ARM/ARMBaseInstrInfo.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 465d6122aa..0789279133 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1642,7 +1642,15 @@ OptimizeCompareInstr(MachineInstr *CmpInstr, unsigned SrcReg, int CmpMask,
case ARM::ANDrr:
case ARM::ANDri:
case ARM::t2ANDrr:
- case ARM::t2ANDri: {
+ case ARM::t2ANDri:
+ case ARM::ORRrr:
+ case ARM::ORRri:
+ case ARM::t2ORRrr:
+ case ARM::t2ORRri:
+ case ARM::EORrr:
+ case ARM::EORri:
+ case ARM::t2EORrr:
+ case ARM::t2EORri: {
// Scan forward for the use of CPSR, if it's a conditional code requires
// checking of V bit, then this is not safe to do. If we can't find the
// CPSR use (i.e. used in another block), then it's not safe to perform