Add call sequence start and end for __tls_get_addr

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

diff --git a/test/CodeGen/PowerPC/tls_get_addr_clobbers.ll b/test/CodeGen/PowerPC/tls_get_addr_clobbers.ll
new file mode 100644 (file)
index 0000000..400a1f2
--- /dev/null
+++ b/test/CodeGen/PowerPC/tls_get_addr_clobbers.ll
@@ -0,0 +1,54 @@
+; RUN: llc -mtriple="powerpc64le-unknown-linux-gnu" -relocation-model=pic < %s | FileCheck %s
+
+@a = thread_local global i32* null, align 8
+
+define void @test_foo(i32* nocapture %x01, i32* nocapture %x02, i32* nocapture %x03, i32* nocapture %x04, i32* nocapture %x05, i32* nocapture %x06, i32* nocapture %x07, i32* nocapture %x08) #0 {
+entry:
+
+; CHECK-LABEL: test_foo:
+; CHECK: stdu 1, {{-?[0-9]+}}(1)
+; CHECK-DAG: mr [[BACKUP_3:[0-9]+]], 3
+; CHECK-DAG: mr [[BACKUP_4:[0-9]+]], 4
+; CHECK-DAG: mr [[BACKUP_5:[0-9]+]], 5
+; CHECK-DAG: mr [[BACKUP_6:[0-9]+]], 6
+; CHECK-DAG: mr [[BACKUP_7:[0-9]+]], 7
+; CHECK-DAG: mr [[BACKUP_8:[0-9]+]], 8
+; CHECK-DAG: mr [[BACKUP_9:[0-9]+]], 9
+; CHECK-DAG: mr [[BACKUP_10:[0-9]+]], 10
+; CHECK-DAG: std [[BACKUP_3]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_4]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_5]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_6]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_7]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_8]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_9]], {{[0-9]+}}(1)
+; CHECK-DAG: std [[BACKUP_10]], {{[0-9]+}}(1)
+; CHECK: bl __tls_get_addr
+; CHECK-DAG: stw 3, 0([[BACKUP_3]])
+; CHECK-DAG: stw 3, 0([[BACKUP_4]])
+; CHECK-DAG: stw 3, 0([[BACKUP_5]])
+; CHECK-DAG: stw 3, 0([[BACKUP_6]])
+; CHECK-DAG: stw 3, 0([[BACKUP_7]])
+; CHECK-DAG: stw 3, 0([[BACKUP_8]])
+; CHECK-DAG: stw 3, 0([[BACKUP_9]])
+; CHECK-DAG: stw 3, 0([[BACKUP_10]])
+; CHECK: blr
+
+  %0 = load i32*, i32** @a, align 8
+  %cmp = icmp eq i32* %0, null
+  br i1 %cmp, label %return, label %if.end
+
+if.end:                                           ; preds = %entry
+  store i32 0, i32* %x01, align 4
+  store i32 0, i32* %x02, align 4
+  store i32 0, i32* %x03, align 4
+  store i32 0, i32* %x04, align 4
+  store i32 0, i32* %x05, align 4
+  store i32 0, i32* %x06, align 4
+  store i32 0, i32* %x07, align 4
+  store i32 0, i32* %x08, align 4
+  br label %return
+
+return:                                           ; preds = %entry, %if.end
+  ret void
+}