diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 575fa5d1ac..d8fdad6453 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -1629,7 +1629,10 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, } case ARM::BI__builtin_neon_vclz_v: case ARM::BI__builtin_neon_vclzq_v: { - Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vclz, Ty); + // generate target-independent intrinsic; also need to add second argument + // for whether or not clz of zero is undefined; on ARM it isn't. + Function *F = CGM.getIntrinsic(Intrinsic::ctlz, Ty); + Ops.push_back(Builder.getInt1(Target.isCLZForZeroUndef())); return EmitNeonCall(F, Ops, "vclz"); } case ARM::BI__builtin_neon_vcnt_v: |