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