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author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-08-09 21:34:19 +0000 |
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committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-08-09 21:34:19 +0000 |
commit | 9bd7c2836eea4ba6484a1eabb38cd084f45fed94 (patch) | |
tree | dcbefc7aefdc0d19520c3057a78b029280d4689f /lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp | |
parent | ad0d36b79ff6b13d0acb29d316517f55aab45f4d (diff) | |
download | external_llvm-9bd7c2836eea4ba6484a1eabb38cd084f45fed94.tar.gz external_llvm-9bd7c2836eea4ba6484a1eabb38cd084f45fed94.tar.bz2 external_llvm-9bd7c2836eea4ba6484a1eabb38cd084f45fed94.zip |
The new ARM disassembler disassembles "bx lr" as a special BX_ret instruction so target specific analysis isn't needed anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137151 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp')
-rw-r--r-- | lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp index 0a4d671a4e..8cb0ccf380 100644 --- a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp +++ b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp @@ -165,11 +165,6 @@ namespace { class ARMMCInstrAnalysis : public MCInstrAnalysis { public: ARMMCInstrAnalysis(const MCInstrInfo *Info) : MCInstrAnalysis(Info) {} - virtual bool isBranch(const MCInst &Inst) const { - // Don't flag "bx lr" as a branch. - return MCInstrAnalysis::isBranch(Inst) && (Inst.getOpcode() != ARM::BX || - Inst.getOperand(0).getReg() != ARM::LR); - } virtual bool isUnconditionalBranch(const MCInst &Inst) const { // BCCs with the "always" predicate are unconditional branches. @@ -185,11 +180,6 @@ public: return MCInstrAnalysis::isConditionalBranch(Inst); } - virtual bool isReturn(const MCInst &Inst) const { - // Recognize "bx lr" as return. - return Inst.getOpcode() == ARM::BX && Inst.getOperand(0).getReg()==ARM::LR; - } - uint64_t evaluateBranch(const MCInst &Inst, uint64_t Addr, uint64_t Size) const { // We only handle PCRel branches for now. |