diff --git a/llvm/test/BugPoint/attr-crash.ll b/llvm/test/BugPoint/attr-crash.ll new file mode 100644 --- /dev/null +++ b/llvm/test/BugPoint/attr-crash.ll @@ -0,0 +1,16 @@ +; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashfuncattr 2>&1 | FileCheck %s +; REQUIRES: plugins +; +; ModuleID = 'attr-crash.ll' +source_filename = "test.c" +target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + + +; Function Attrs: noinline nounwind optnone uwtable +define dso_local i32 @main(i32 %argc, i8** %argv) local_unnamed_addr #0 { + ret i32 0 +} + +; CHECK-NOT: Attribute 'optnone' requires 'noinline'! +attributes #0 = { noinline nounwind optnone uwtable "bugpoint-crash" } diff --git a/llvm/tools/bugpoint/CrashDebugger.cpp b/llvm/tools/bugpoint/CrashDebugger.cpp --- a/llvm/tools/bugpoint/CrashDebugger.cpp +++ b/llvm/tools/bugpoint/CrashDebugger.cpp @@ -364,6 +364,11 @@ // Set this new list of attributes on the function. F->setAttributes(NewAttrs); + // If the attribute list includes "optnone" we need to make sure it also + // includes "noinline" otherwise we will get a verifier failure. + if (F->hasFnAttribute(Attribute::OptimizeNone)) + F->addFnAttr(Attribute::NoInline); + // Try running on the hacked up program... if (TestFn(BD, M.get())) { BD.setNewProgram(std::move(M)); // It crashed, keep the trimmed version...