Add call sequence start and end for __tls_get_addr

[oota-llvm.git] / test / CodeGen / PowerPC / tls_get_addr_stackframe.ll

diff --git a/test/CodeGen/PowerPC/tls_get_addr_stackframe.ll b/test/CodeGen/PowerPC/tls_get_addr_stackframe.ll
new file mode 100644 (file)
index 0000000..4a23598
--- /dev/null
+++ b/test/CodeGen/PowerPC/tls_get_addr_stackframe.ll
@@ -0,0 +1,32 @@
+; RUN: llc -mtriple="powerpc64le-unknown-linux-gnu" -relocation-model=pic < %s | FileCheck %s
+; CHECK-LABEL: foo_test:
+; CHECK: mflr 0
+; CHECK: __tls_get_addr
+
+%struct1.2.41 = type { %struct2.0.39, %struct3.1.40, %struct1.2.41* }
+%struct2.0.39 = type { i64, i32, i32, i32, i32 }
+%struct3.1.40 = type { [160 x i8] }
+
+@tls_var = external thread_local global %struct1.2.41*, align 8
+
+define void @foo_test() {
+  %1 = load %struct1.2.41*, %struct1.2.41** @tls_var, align 8
+  br i1 undef, label %foo.exit, label %2
+
+; <label>:2                                       ; preds = %0
+  br i1 undef, label %foo.exit, label %3
+
+; <label>:3                                       ; preds = %2
+  %4 = getelementptr inbounds %struct1.2.41, %struct1.2.41* %1, i64 0, i32 0, i32 3
+  %5 = load i32, i32* %4, align 8
+  %6 = add nsw i32 %5, -1
+  %7 = icmp eq i32 %6, 0
+  br i1 %7, label %8, label %foo.exit
+
+; <label>:8                                       ; preds = %3
+  tail call void undef(%struct1.2.41* undef, %struct1.2.41* nonnull undef)
+  br label %foo.exit
+
+foo.exit:                                         ; preds = %8, %3, %2, %0
+  ret void
+}