vendor/llvm/llvm-trunk-r178860

1 files changed, 24 insertions, 0 deletions

diff --git a/test/CodeGen/PowerPC/tls-ld-2.ll b/test/CodeGen/PowerPC/tls-ld-2.ll
new file mode 100644
index 000000000000..4399b330ea47
--- /dev/null
+++ b/test/CodeGen/PowerPC/tls-ld-2.ll
@@ -0,0 +1,24 @@
+; RUN: llc -mcpu=pwr7 -O1 -relocation-model=pic < %s | FileCheck %s
+
+; Test peephole optimization for thread-local storage using the
+; local dynamic model.
+
+target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+@a = hidden thread_local global i32 0, align 4
+
+define signext i32 @main() nounwind {
+entry:
+  %retval = alloca i32, align 4
+  store i32 0, i32* %retval
+  %0 = load i32* @a, align 4
+  ret i32 %0
+}
+
+; CHECK:      addis [[REG:[0-9]+]], 2, a@got@tlsld@ha
+; CHECK-NEXT: addi 3, [[REG]], a@got@tlsld@l
+; CHECK:      bl __tls_get_addr(a@tlsld)
+; CHECK-NEXT: nop
+; CHECK:      addis [[REG2:[0-9]+]], 3, a@dtprel@ha
+; CHECK-NEXT: lwa {{[0-9]+}}, a@dtprel@l([[REG2]])