Improve zero-set location error (#1788)

EnzymeAD · Sep 4, 2024 · 75a2f4c · 75a2f4c
1 parent d7cb43b
commit 75a2f4c
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/src/rules/llvmrules.jl b/src/rules/llvmrules.jl
@@ -327,7 +327,12 @@ end
             elSize = LLVM.zext!(B, elSize, LLVM.IntType(8*sizeof(Csize_t)))
             len = get_array_len(B, shadowin)
             length = LLVM.mul!(B, len, elSize)
-            GPUCompiler.@safe_warn "TODO forward zero-set of arraycopy used memset rather than runtime type"
+		bt = GPUCompiler.backtrace(orig)
+		btstr = sprint() do io
+		    print(io,"\nCaused by:")
+		    Base.show_backtrace(io, bt)
+		end
+            GPUCompiler.@safe_warn "TODO forward zero-set of arraycopy used memset rather than runtime type $btstr"
             LLVM.memset!(B, get_array_data(B, shadowres), LLVM.ConstantInt(i8, 0, false), length, algn)
         end
         if API.runtimeActivity()
@@ -345,7 +350,12 @@ end
                 elSize = LLVM.zext!(B, elSize, LLVM.IntType(8*sizeof(Csize_t)))
                 len = get_array_len(B, ev)
                 length = LLVM.mul!(B, len, elSize)
-                GPUCompiler.@safe_warn "TODO forward zero-set of arraycopy used memset rather than runtime type"
+		bt = GPUCompiler.backtrace(orig)
+		btstr = sprint() do io
+		    print(io,"\nCaused by:")
+		    Base.show_backtrace(io, bt)
+		end
+                GPUCompiler.@safe_warn "TODO forward zero-set of arraycopy used memset rather than runtime type $btstr"
                 LLVM.memset!(B, get_array_data(B, callv), LLVM.ConstantInt(i8, 0, false), length, algn)
             end
             if API.runtimeActivity()