1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/arm-interrupt-attr.c b/test/CodeGen/arm-interrupt-attr.c
new file mode 100644
index 0000000..73f1cfe
--- /dev/null
+++ b/test/CodeGen/arm-interrupt-attr.c
@@ -0,0 +1,38 @@
+// RUN: %clang_cc1 -triple thumb-apple-darwin -target-abi aapcs -target-cpu cortex-m3 -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple arm-apple-darwin -target-abi apcs-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-APCS
+
+__attribute__((interrupt)) void test_generic_interrupt() {
+  // CHECK: define arm_aapcscc void @test_generic_interrupt() [[GENERIC_ATTR:#[0-9]+]]
+
+  // CHECK-APCS: define void @test_generic_interrupt() [[GENERIC_ATTR:#[0-9]+]]
+}
+
+__attribute__((interrupt("IRQ"))) void test_irq_interrupt() {
+  // CHECK: define arm_aapcscc void @test_irq_interrupt() [[IRQ_ATTR:#[0-9]+]]
+}
+
+__attribute__((interrupt("FIQ"))) void test_fiq_interrupt() {
+  // CHECK: define arm_aapcscc void @test_fiq_interrupt() [[FIQ_ATTR:#[0-9]+]]
+}
+
+__attribute__((interrupt("SWI"))) void test_swi_interrupt() {
+  // CHECK: define arm_aapcscc void @test_swi_interrupt() [[SWI_ATTR:#[0-9]+]]
+}
+
+__attribute__((interrupt("ABORT"))) void test_abort_interrupt() {
+  // CHECK: define arm_aapcscc void @test_abort_interrupt() [[ABORT_ATTR:#[0-9]+]]
+}
+
+
+__attribute__((interrupt("UNDEF"))) void test_undef_interrupt() {
+  // CHECK: define arm_aapcscc void @test_undef_interrupt() [[UNDEF_ATTR:#[0-9]+]]
+}
+
+// CHECK: attributes [[GENERIC_ATTR]] = { nounwind alignstack=8 {{"interrupt"[^=]}}
+// CHECK: attributes [[IRQ_ATTR]] = { nounwind alignstack=8 "interrupt"="IRQ"
+// CHECK: attributes [[FIQ_ATTR]] = { nounwind alignstack=8 "interrupt"="FIQ"
+// CHECK: attributes [[SWI_ATTR]] = { nounwind alignstack=8 "interrupt"="SWI"
+// CHECK: attributes [[ABORT_ATTR]] = { nounwind alignstack=8 "interrupt"="ABORT"
+// CHECK: attributes [[UNDEF_ATTR]] = { nounwind alignstack=8 "interrupt"="UNDEF"
+
+// CHECK-APCS: attributes [[GENERIC_ATTR]] = { nounwind "interrupt"