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-rw-r--r--llvm/test/CodeGen/X86/tls-android-negative.ll65
1 files changed, 65 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/tls-android-negative.ll b/llvm/test/CodeGen/X86/tls-android-negative.ll
new file mode 100644
index 00000000000..e90b8914ab2
--- /dev/null
+++ b/llvm/test/CodeGen/X86/tls-android-negative.ll
@@ -0,0 +1,65 @@
+; RUN: llc < %s -emulated-tls -march=x86 -mtriple=x86_64-linux-android -relocation-model=pic | FileCheck %s
+; RUN: llc < %s -emulated-tls -march=x86-64 -mtriple=x86_64-linux-android -relocation-model=pic | FileCheck %s
+
+; Make sure that some symboles are not emitted in emulated TLS model.
+
+@external_x = external thread_local global i32
+@external_y = thread_local global i32 7
+@internal_y = internal thread_local global i32 9
+@internal_y0 = internal thread_local global i32 0
+
+define i32* @get_external_x() {
+entry:
+ ret i32* @external_x
+}
+
+define i32* @get_external_y() {
+entry:
+ ret i32* @external_y
+}
+
+define i32* @get_internal_y() {
+entry:
+ ret i32* @internal_y
+}
+
+define i32* @get_internal_y0() {
+entry:
+ ret i32* @internal_y0
+}
+
+; no direct access to emulated TLS variables.
+; no definition of emulated TLS variables.
+; no initializer for external TLS variables, __emutls_t.external_x
+; no initializer for 0-initialized TLS variables, __emutls_t.internal_y0
+; not global linkage for __emutls_t.external_y
+
+; CHECK-NOT: external_x@TLS
+; CHECK-NOT: external_y@TLS
+; CHECK-NOT: internal_y@TLS
+; CHECK-NOT: .size external_x
+; CHECK-NOT: .size external_y
+; CHECK-NOT: .size internal_y
+; CHECK-NOT: .size internal_y0
+; CHECK-NOT: __emutls_v.external_x:
+; CHECK-NOT: __emutls_t.external_x:
+; CHECK-NOT: __emutls_t.internal_y0:
+; CHECK-NOT: global __emutls_t.external_y
+; CHECK-NOT: global __emutls_v.internal_y
+; CHECK-NOT: global __emutls_v.internal_y0
+
+; CHECK: __emutls_t.external_y
+
+; CHECK-NOT: external_x@TLS
+; CHECK-NOT: external_y@TLS
+; CHECK-NOT: internal_y@TLS
+; CHECK-NOT: .size external_x
+; CHECK-NOT: .size external_y
+; CHECK-NOT: .size internal_y
+; CHECK-NOT: .size internal_y0
+; CHECK-NOT: __emutls_v.external_x:
+; CHECK-NOT: __emutls_t.external_x:
+; CHECK-NOT: __emutls_t.internal_y0:
+; CHECK-NOT: global __emutls_t.external_y
+; CHECK-NOT: global __emutls_v.internal_y
+; CHECK-NOT: global __emutls_v.internal_y0
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