diff options
| author | Cameron Zwarich <zwarich@apple.com> | 2011-03-30 23:01:21 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2011-03-30 23:01:21 +0000 |
| commit | c0e6d780cd7a0935f545a0ec0a9ad4a6ae8db2a9 (patch) | |
| tree | ec953e12dc862895c78118ce64ecc6240cb92a11 /lib/Target/ARM/ARMFastISel.cpp | |
| parent | f5b23368d27ef7dd44b2c45b5c08812ac99c7661 (diff) | |
Add a ARM-specific SD node for VBSL so that forms with a constant first operand
can be recognized. This fixes <rdar://problem/9183078>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128584 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMFastISel.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMFastISel.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp index 2af42c90af..0f3e6cf2c6 100644 --- a/lib/Target/ARM/ARMFastISel.cpp +++ b/lib/Target/ARM/ARMFastISel.cpp @@ -115,6 +115,11 @@ class ARMFastISel : public FastISel { const TargetRegisterClass *RC, unsigned Op0, bool Op0IsKill, unsigned Op1, bool Op1IsKill); + virtual unsigned FastEmitInst_rrr(unsigned MachineInstOpcode, + const TargetRegisterClass *RC, + unsigned Op0, bool Op0IsKill, + unsigned Op1, bool Op1IsKill, + unsigned Op2, bool Op2IsKill); virtual unsigned FastEmitInst_ri(unsigned MachineInstOpcode, const TargetRegisterClass *RC, unsigned Op0, bool Op0IsKill, @@ -315,6 +320,31 @@ unsigned ARMFastISel::FastEmitInst_rr(unsigned MachineInstOpcode, return ResultReg; } +unsigned ARMFastISel::FastEmitInst_rrr(unsigned MachineInstOpcode, + const TargetRegisterClass *RC, + unsigned Op0, bool Op0IsKill, + unsigned Op1, bool Op1IsKill, + unsigned Op2, bool Op2IsKill) { + unsigned ResultReg = createResultReg(RC); + const TargetInstrDesc &II = TII.get(MachineInstOpcode); + + if (II.getNumDefs() >= 1) + AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II, ResultReg) + .addReg(Op0, Op0IsKill * RegState::Kill) + .addReg(Op1, Op1IsKill * RegState::Kill) + .addReg(Op2, Op2IsKill * RegState::Kill)); + else { + AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II) + .addReg(Op0, Op0IsKill * RegState::Kill) + .addReg(Op1, Op1IsKill * RegState::Kill) + .addReg(Op2, Op2IsKill * RegState::Kill)); + AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, + TII.get(TargetOpcode::COPY), ResultReg) + .addReg(II.ImplicitDefs[0])); + } + return ResultReg; +} + unsigned ARMFastISel::FastEmitInst_ri(unsigned MachineInstOpcode, const TargetRegisterClass *RC, unsigned Op0, bool Op0IsKill, |