vendor/llvm/llvm-trunk-r338150

1 files changed, 64 insertions, 0 deletions

diff --git a/test/CodeGen/AArch64/win-tls.ll b/test/CodeGen/AArch64/win-tls.ll
new file mode 100644
index 000000000000..ea49b99bbaae
--- /dev/null
+++ b/test/CodeGen/AArch64/win-tls.ll
@@ -0,0 +1,64 @@
+; RUN: llc -mtriple aarch64-windows %s -o - | FileCheck %s
+
+@tlsVar = thread_local global i32 0
+@tlsVar8 = thread_local global i8 0
+@tlsVar64 = thread_local global i64 0
+
+define i32 @getVar() {
+  %1 = load i32, i32* @tlsVar
+  ret i32 %1
+}
+
+define i32* @getPtr() {
+  ret i32* @tlsVar
+}
+
+define void @setVar(i32 %val) {
+  store i32 %val, i32* @tlsVar
+  ret void
+}
+
+define i8 @getVar8() {
+  %1 = load i8, i8* @tlsVar8
+  ret i8 %1
+}
+
+define i64 @getVar64() {
+  %1 = load i64, i64* @tlsVar64
+  ret i64 %1
+}
+
+; CHECK-LABEL: getVar
+; CHECK: adrp [[TLS_INDEX_ADDR:x[0-9]+]], _tls_index
+; CHECK: ldr w[[TLS_INDEX:[0-9]+]], {{\[}}[[TLS_INDEX_ADDR]], _tls_index]
+; CHECK: ldr [[TLS_POINTER:x[0-9]+]], [x18, #88]
+
+; CHECK: ldr [[TLS:x[0-9]+]], {{\[}}[[TLS_POINTER]], x[[TLS_INDEX]], lsl #3]
+; CHECK: add [[TLS]], [[TLS]], :secrel_hi12:tlsVar
+; CHECK: ldr w0, {{\[}}[[TLS]], :secrel_lo12:tlsVar{{\]}}
+
+; CHECK-LABEL: getPtr
+; CHECK: adrp [[TLS_INDEX_ADDR:x[0-9]+]], _tls_index
+; CHECK: ldr w[[TLS_INDEX:[0-9]+]], {{\[}}[[TLS_INDEX_ADDR]], _tls_index]
+; CHECK: ldr [[TLS_POINTER:x[0-9]+]], [x18, #88]
+
+; CHECK: ldr [[TLS:x[0-9]+]], {{\[}}[[TLS_POINTER]], x[[TLS_INDEX]], lsl #3]
+; CHECK: add [[TLS]], [[TLS]], :secrel_hi12:tlsVar
+; CHECK: add x0, [[TLS]], :secrel_lo12:tlsVar
+
+; CHECK-LABEL: setVar
+; CHECK: adrp [[TLS_INDEX_ADDR:x[0-9]+]], _tls_index
+; CHECK: ldr w[[TLS_INDEX:[0-9]+]], {{\[}}[[TLS_INDEX_ADDR]], _tls_index]
+; CHECK: ldr [[TLS_POINTER:x[0-9]+]], [x18, #88]
+
+; CHECK: ldr [[TLS:x[0-9]+]], {{\[}}[[TLS_POINTER]], x[[TLS_INDEX]], lsl #3]
+; CHECK: add [[TLS]], [[TLS]], :secrel_hi12:tlsVar
+; CHECK: str w0, {{\[}}[[TLS]], :secrel_lo12:tlsVar{{\]}}
+
+; CHECK-LABEL: getVar8
+; CHECK: add [[TLS:x[0-9]+]], [[TLS]], :secrel_hi12:tlsVar8
+; CHECK: ldrb w0, {{\[}}[[TLS]], :secrel_lo12:tlsVar8{{\]}}
+
+; CHECK-LABEL: getVar64
+; CHECK: add [[TLS:x[0-9]+]], [[TLS]], :secrel_hi12:tlsVar64
+; CHECK: ldr x0, {{\[}}[[TLS]], :secrel_lo12:tlsVar64{{\]}}