1 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/cfi-alignment.ll b/test/CodeGen/ARM/cfi-alignment.ll
new file mode 100644
index 000000000000..11add2242656
--- /dev/null
+++ b/test/CodeGen/ARM/cfi-alignment.ll
@@ -0,0 +1,48 @@
+; RUN: llc -mtriple=thumbv7k-apple-watchos7.0 -o - %s | FileCheck %s
+
+; Since d11 doesn't get pushed with the aligned registers, its frameindex
+; shouldn't be modified to say it has been.
+
+define void @foo() {
+; CHECK-LABEL: foo:
+; CHECK: push {r7, lr}
+; CHECK: .cfi_offset r7, -8
+; CHECK: vpush {d11}
+; CHECK: vpush {d8, d9}
+; CHECK: .cfi_offset d11, -16
+; CHECK: .cfi_offset d9, -24
+; CHECK: .cfi_offset d8, -32
+  call void asm sideeffect "", "~{d8},~{d9},~{d11}"()
+  call void @bar()
+  ret void
+}
+
+define void @variadic_foo(i8, ...) {
+; CHECK-LABEL: variadic_foo:
+; CHECK: sub sp, #12
+; CHECK: push {r7, lr}
+; CHECK: .cfi_offset r7, -20
+; CHECK: sub sp, #4
+; CHECK: vpush {d11}
+; CHECK: vpush {d8, d9}
+; CHECK: .cfi_offset d11, -32
+; CHECK: .cfi_offset d9, -40
+; CHECK: .cfi_offset d8, -48
+  call void asm sideeffect "", "~{d8},~{d9},~{d11}"()
+  call void @llvm.va_start(i8* null)
+  call void @bar()
+  ret void
+}
+
+define void @test_maintain_stack_align() {
+; CHECK-LABEL: test_maintain_stack_align:
+; CHECK: push {r7, lr}
+; CHECK: vpush {d8, d9}
+; CHECK: sub sp, #8
+  call void asm sideeffect "", "~{d8},~{d9}"()
+  call void @bar()
+  ret void
+}
+
+declare void @bar()
+declare void @llvm.va_start(i8*) nounwind