fix(TargetLibraryInfo): memcmp/memset/memcpy/memmove are not availabl…

…e for target cheerp-genericjs
leaningtech · Oct 18, 2024 · 37a3b20 · 37a3b20
1 parent a698a06
commit 37a3b20
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -205,6 +205,13 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
     TLI.setUnavailable(LibFunc_round);
     TLI.setUnavailable(LibFunc_roundf);
     TLI.setUnavailable(LibFunc_roundl);
+    if (T.getEnvironment() == Triple::GenericJs) {
+      // These only exist for linear memory
+      TLI.setUnavailable(LibFunc_memcmp);
+      TLI.setUnavailable(LibFunc_memset);
+      TLI.setUnavailable(LibFunc_memcpy);
+      TLI.setUnavailable(LibFunc_memmove);
+    }
   }
 
   // There is really no runtime library on AMDGPU, apart from