| ; Check that the basic block sections suffix naming does not conflict with __cxx_global_var_init.N naming. |
| ; How to generate this file: |
| ;; class A { |
| ;; public: |
| ;; A(bool a) { } |
| ;; }; |
| ;; |
| ;; extern bool bar(int); |
| ;; A g_a(bar(5) ? bar(3) : false), g_b(true); |
| ;; |
| ;; $ clang -O1 -emit-llvm -S |
| ;; |
| ; __cxx_global_var_init has multiple basic blocks which will produce many sections. |
| ; RUN: llc < %s -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=all -unique-basic-block-section-names | FileCheck %s |
| |
| ; CHECK-LABEL: __cxx_global_var_init: |
| ; CHECK-LABEL: __cxx_global_var_init.__part.1: |
| ; CHECK-LABEL: __cxx_global_var_init.1: |
| |
| %class.A = type { i8 } |
| |
| $_ZN1AC2Eb = comdat any |
| |
| @g_a = dso_local global %class.A zeroinitializer, align 1 |
| @g_b = dso_local global %class.A zeroinitializer, align 1 |
| @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_symcollision.cc, i8* null }] |
| |
| define internal fastcc void @__cxx_global_var_init() unnamed_addr section ".text.startup" { |
| entry: |
| %call = call zeroext i1 @_Z3bari(i32 5) |
| br i1 %call, label %cond.true, label %cond.end |
| |
| cond.true: ; preds = %entry |
| %call1 = call zeroext i1 @_Z3bari(i32 3) |
| br label %cond.end |
| |
| cond.end: ; preds = %entry, %cond.true |
| %cond = phi i1 [ %call1, %cond.true ], [ false, %entry ] |
| call void @_ZN1AC2Eb(%class.A* nonnull @g_a, i1 zeroext %cond) |
| ret void |
| } |
| |
| declare dso_local zeroext i1 @_Z3bari(i32) local_unnamed_addr |
| |
| define linkonce_odr dso_local void @_ZN1AC2Eb(%class.A* %this, i1 zeroext %a) unnamed_addr comdat align 2 { |
| entry: |
| ret void |
| } |
| |
| define internal fastcc void @__cxx_global_var_init.1() unnamed_addr section ".text.startup" { |
| entry: |
| call void @_ZN1AC2Eb(%class.A* nonnull @g_b, i1 zeroext true) |
| ret void |
| } |
| |
| define internal void @_GLOBAL__sub_I_symcollision.cc() section ".text.startup" { |
| entry: |
| call fastcc void @__cxx_global_var_init() |
| call fastcc void @__cxx_global_var_init.1() |
| ret void |
| } |