diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMLegalizerInfo.cpp | 16 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp b/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp index 89141830690..42b164fb8db 100644 --- a/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp +++ b/llvm/lib/Target/ARM/ARMLegalizerInfo.cpp @@ -109,6 +109,22 @@ ARMLegalizerInfo::ARMLegalizerInfo(const ARMSubtarget &ST) { getActionDefinitionsBuilder({G_ASHR, G_LSHR, G_SHL}).legalFor({s32}); + if (ST.hasV5TOps()) { + getActionDefinitionsBuilder(G_CTLZ) + .legalFor({s32}) + .clampScalar(0, s32, s32); + getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF) + .lowerFor({s32}) + .clampScalar(0, s32, s32); + } else { + getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF) + .libcallFor({s32}) + .clampScalar(0, s32, s32); + getActionDefinitionsBuilder(G_CTLZ) + .lowerFor({s32}) + .clampScalar(0, s32, s32); + } + getActionDefinitionsBuilder(G_GEP).legalFor({{p0, s32}}); getActionDefinitionsBuilder(G_SELECT).legalForCartesianProduct({s32, p0}, diff --git a/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp b/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp index 0e16d6bcfe2..4f28f2dafc7 100644 --- a/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp +++ b/llvm/lib/Target/ARM/ARMRegisterBankInfo.cpp @@ -234,6 +234,7 @@ ARMRegisterBankInfo::getInstrMapping(const MachineInstr &MI) const { case G_GEP: case G_INTTOPTR: case G_PTRTOINT: + case G_CTLZ: // FIXME: We're abusing the fact that everything lives in a GPR for now; in // the real world we would use different mappings. OperandsMapping = &ARM::ValueMappings[ARM::GPR3OpsIdx]; |
