[SVE ACLE] Change the lowering of SVE integer builtins
Change the lowering of SVE integer mla_x/mls_x and mad_x/msb_x
builtins to use dedicated undef (_u) intrinsics.
Differential Revision: https://reviews.llvm.org/D150553
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
index d03ef60..636f4eb 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -1628,6 +1628,10 @@
return instCombineSVEVectorFuseMulAddSub<Intrinsic::aarch64_sve_fmul_u,
Intrinsic::aarch64_sve_fmla_u>(
IC, II, true);
+ case Intrinsic::aarch64_sve_add_u:
+ return instCombineSVEVectorFuseMulAddSub<Intrinsic::aarch64_sve_mul_u,
+ Intrinsic::aarch64_sve_mla_u>(
+ IC, II, true);
case Intrinsic::aarch64_sve_fsub:
case Intrinsic::aarch64_sve_sub:
return instCombineSVEVectorSub(IC, II);
@@ -1635,6 +1639,10 @@
return instCombineSVEVectorFuseMulAddSub<Intrinsic::aarch64_sve_fmul_u,
Intrinsic::aarch64_sve_fmls_u>(
IC, II, true);
+ case Intrinsic::aarch64_sve_sub_u:
+ return instCombineSVEVectorFuseMulAddSub<Intrinsic::aarch64_sve_mul_u,
+ Intrinsic::aarch64_sve_mls_u>(
+ IC, II, true);
case Intrinsic::aarch64_sve_tbl:
return instCombineSVETBL(IC, II);
case Intrinsic::aarch64_sve_uunpkhi:
