1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/cxx_tlscc64.ll b/test/CodeGen/PowerPC/cxx_tlscc64.ll
new file mode 100644
index 0000000000000..2baff84988436
--- /dev/null
+++ b/test/CodeGen/PowerPC/cxx_tlscc64.ll
@@ -0,0 +1,43 @@
+; RUN: llc < %s --enable-shrink-wrap=false -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s
+%struct.S = type { i8 }
+
+@sg = internal thread_local global %struct.S zeroinitializer, align 1
+@__dso_handle = external global i8
+@__tls_guard = internal thread_local unnamed_addr global i1 false
+@sum1 = internal thread_local global i32 0, align 4
+
+declare void @_ZN1SC1Ev(%struct.S*)
+declare void @_ZN1SD1Ev(%struct.S*)
+declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*)
+
+; CHECK-LABEL: _ZTW2sg
+define cxx_fast_tlscc nonnull %struct.S* @_ZTW2sg() nounwind {
+  %.b.i = load i1, i1* @__tls_guard, align 1
+; CHECK: bc 12, 1, [[BB_end:.?LBB0_[0-9]+]]
+  br i1 %.b.i, label %__tls_init.exit, label %init.i
+
+init.i:
+; CHECK: Folded Spill
+  store i1 true, i1* @__tls_guard, align 1
+  tail call void @_ZN1SC1Ev(%struct.S* nonnull @sg) #2
+; CHECK: bl _ZN1SC1Ev
+  %1 = tail call i32 @_tlv_atexit(void (i8*)* nonnull bitcast (void (%struct.S*)* @_ZN1SD1Ev to void (i8*)*), i8* nonnull getelementptr inbounds (%struct.S, %struct.S* @sg, i64 0, i32 0), i8* nonnull @__dso_handle) #2
+; CHECK: Folded Reload
+; CHECK: _tlv_atexit
+  br label %__tls_init.exit
+
+; CHECK: [[BB_end]]:
+__tls_init.exit:
+  ret %struct.S* @sg
+}
+
+; CHECK-LABEL: _ZTW4sum1
+define cxx_fast_tlscc nonnull i32* @_ZTW4sum1() nounwind {
+  ret i32* @sum1
+}
+
+define cxx_fast_tlscc i32* @_ZTW4sum2() #0 {
+  ret i32* @sum1
+}
+
+attributes #0 = { nounwind "no-frame-pointer-elim"="true" }
+\ No newline at end of file