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authorMichael Gottesman <mgottesman@apple.com>2013-02-05 06:53:26 +0000
committerMichael Gottesman <mgottesman@apple.com>2013-02-05 06:53:26 +0000
commite1b6b5290373073c95f6865ceaf76fa7848ecf44 (patch)
tree7db83ccc7524db4ca00d5b65b6037a5a10fd929a /test
parent429f7ef0c116c0504052b9a6655ef4d973177e9d (diff)
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Add code to GlobalVariable.h so that global variables marked as
externally_initialized return false for hasDefiniteInitializer and hasUniqueInitializer. rdar://12580965. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174345 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/GlobalOpt/externally-initialized-global-ctr.ll35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/externally-initialized-global-ctr.ll b/test/Transforms/GlobalOpt/externally-initialized-global-ctr.ll
new file mode 100644
index 0000000..f447fe6
--- /dev/null
+++ b/test/Transforms/GlobalOpt/externally-initialized-global-ctr.ll
@@ -0,0 +1,35 @@
+; RUN: opt < %s -globalopt -S | FileCheck %s
+; rdar://12580965.
+; ObjC++ test case.
+
+%struct.ButtonInitData = type { i8* }
+
+@_ZL14buttonInitData = internal global [1 x %struct.ButtonInitData] zeroinitializer, align 4
+
+@"\01L_OBJC_METH_VAR_NAME_40" = internal global [7 x i8] c"print:\00", section "__TEXT,__objc_methname,cstring_literals", align 1
+@"\01L_OBJC_SELECTOR_REFERENCES_41" = internal externally_initialized global i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_METH_VAR_NAME_40", i32 0, i32 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
+
+@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
+@llvm.used = appending global [2 x i8*] [i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_METH_VAR_NAME_40", i32 0, i32 0), i8* bitcast (i8** @"\01L_OBJC_SELECTOR_REFERENCES_41" to i8*)]
+
+define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" {
+ %1 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_41", !invariant.load !2009
+ store i8* %1, i8** getelementptr inbounds ([1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
+ ret void
+}
+
+define internal void @_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" {
+ call void @__cxx_global_var_init()
+ ret void
+}
+
+declare void @test(i8*)
+
+define void @print() {
+; CHECK: %1 = load i8** getelementptr inbounds ([1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
+ %1 = load i8** getelementptr inbounds ([1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
+ call void @test(i8* %1)
+ ret void
+}
+
+!2009 = metadata !{} \ No newline at end of file