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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

62 lines
2.0 KiB
LLVM

; 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, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_symcollision.cc, ptr 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(ptr 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(ptr %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(ptr 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
}