[clang] [clang][clangir] add vsqrt and vsqrtq support (PR #192282)
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Wed Apr 15 09:02:40 PDT 2026
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
Author: Elio (xiongzile)
<details>
<summary>Changes</summary>
CC @<!-- -->Kouunnn
---
Full diff: https://github.com/llvm/llvm-project/pull/192282.diff
1 Files Affected:
- (modified) clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp (+9-1)
``````````diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp b/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
index 75dd19d880444..7cd28d6e274dd 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
@@ -2571,8 +2571,16 @@ CIRGenFunction::emitAArch64BuiltinExpr(unsigned builtinID, const CallExpr *expr,
case NEON::BI__builtin_neon_vpminnm_v:
case NEON::BI__builtin_neon_vpminnmq_v:
case NEON::BI__builtin_neon_vsqrth_f16:
+ cgm.errorNYI(expr->getSourceRange(),
+ std::string("unimplemented AArch64 builtin call: ") +
+ getContext().BuiltinInfo.getName(builtinID));
case NEON::BI__builtin_neon_vsqrt_v:
- case NEON::BI__builtin_neon_vsqrtq_v:
+ case NEON::BI__builtin_neon_vsqrtq_v: {
+ // TODO: implement vsqrt and vsqrtq
+ // refer:
+ // https://arm-software.github.io/acle/neon_intrinsics/advsimd.html#square-root
+ return emitNeonCall(cgm, builder, {ty}, ops, "sqrt", ty, loc);
+ }
case NEON::BI__builtin_neon_vrbit_v:
case NEON::BI__builtin_neon_vrbitq_v:
case NEON::BI__builtin_neon_vmaxv_f16:
``````````
</details>
https://github.com/llvm/llvm-project/pull/192282
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