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Diffstat (limited to 'test/CodeGen/X86/init-priority.ll')
-rw-r--r-- | test/CodeGen/X86/init-priority.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/X86/init-priority.ll b/test/CodeGen/X86/init-priority.ll new file mode 100644 index 0000000..a0cff23 --- /dev/null +++ b/test/CodeGen/X86/init-priority.ll @@ -0,0 +1,51 @@ +; RUN: llc < %s -mtriple=x86_64-unknown-freebsd9 | FileCheck %s + +; Check that our compiler never emits global constructors +; inside the .init_array section when building for a non-Linux ELF target. +; Because of this, the test depends on UseInitArray behavior under FreeBSD +; as found in Generic_ELF::addClangTargetOptions(). + +; This is to workaround a Visual Studio bug which causes field +; UseInitArray to be left uninitialized instead of being +; zero-initialized (as specified in [dcl.init]p7). +; This workaround consists in providing a user default constructor +; that explicitly initializes field UseInitArray. + +%class.C = type { i8 } +%class.D = type { i8 } + +@c1 = global %class.C zeroinitializer, align 1 +@d1 = global %class.D zeroinitializer, align 1 +@llvm.global_ctors = appending global [2 x { i32, void ()* }] [{ i32, void ()* } { i32 101, void ()* @_GLOBAL__I_000101 }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] + +define linkonce_odr void @_ZN1CC1Ev(%class.C* nocapture %this) { +entry: + ret void +} + +define linkonce_odr void @_ZN1DC1Ev(%class.D* nocapture %this) { +entry: + ret void +} + +define linkonce_odr void @_ZN1DC2Ev(%class.D* nocapture %this) { +entry: + ret void +} + +define linkonce_odr void @_ZN1CC2Ev(%class.C* nocapture %this) { +entry: + ret void +} + +define internal void @_GLOBAL__I_000101() nounwind readnone { +entry: + ret void +} + +define internal void @_GLOBAL__I_a() nounwind readnone { +entry: + ret void +} + +; CHECK-NOT: .init_array |