[llvm-branch-commits] [llvm] RuntimeLibcalls: Cleanup darwin bzero configuration (PR #145639)

[Matt Arsenault via llvm-branch-commits]

https://github.com/arsenm updated https://github.com/llvm/llvm-project/pull/145639

>From 9eebced4e8423aeaa8aeb8c13e13e2483c7a3988 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Wed, 25 Jun 2025 14:42:24 +0900
Subject: [PATCH] RuntimeLibcalls: Cleanup darwin bzero configuration

Write this in a more predicate-apply style instead of the
switch.
---
 llvm/lib/IR/RuntimeLibcalls.cpp | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/llvm/lib/IR/RuntimeLibcalls.cpp b/llvm/lib/IR/RuntimeLibcalls.cpp
index cb8c8457f5a47..5c01d8595d0f9 100644
--- a/llvm/lib/IR/RuntimeLibcalls.cpp
+++ b/llvm/lib/IR/RuntimeLibcalls.cpp
@@ -432,19 +432,11 @@ void RuntimeLibcallsInfo::initLibcalls(const Triple &TT,
     setLibcallName(RTLIB::FPROUND_F32_F16, "__truncsfhf2");
 
     // Some darwins have an optimized __bzero/bzero function.
-    switch (TT.getArch()) {
-    case Triple::x86:
-    case Triple::x86_64:
+    if (TT.isX86()) {
       if (TT.isMacOSX() && !TT.isMacOSXVersionLT(10, 6))
         setLibcallName(RTLIB::BZERO, "__bzero");
-      break;
-    case Triple::aarch64:
-    case Triple::aarch64_32:
+    } else if (TT.isAArch64())
       setLibcallName(RTLIB::BZERO, "bzero");
-      break;
-    default:
-      break;
-    }
 
     if (darwinHasSinCosStret(TT)) {
       setLibcallName(RTLIB::SINCOS_STRET_F32, "__sincosf_stret");