Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/ARM/2012-10-18-PR14099-ByvalFrameAddress.ll

@@ -0,0 +1,30 @@
+; RUN: llc < %s -mtriple=armv7-linux-gnueabi | FileCheck %s
+
+%struct.s = type { [4 x i32] }
+@v = constant %struct.s zeroinitializer; 
+
+declare void @f(%struct.s* %p);
+
+; CHECK-LABEL: t:
+define void @t(i32 %a, %struct.s* byval %s) nounwind {
+entry:
+
+; Here we need to only check proper start address of restored %s argument.
+; CHECK:      sub     sp, sp, #12
+; CHECK:      push    {r11, lr}
+; CHECK:      sub     sp, sp, #4
+; CHECK:      add     r0, sp, #12
+; CHECK:      stm     r0, {r1, r2, r3}
+; CHECK:      add     r0, sp, #12
+; CHECK-NEXT: bl f
+  call void @f(%struct.s* %s)
+  ret void
+}
+
+; CHECK-LABEL: caller:
+define void @caller() {
+
+; CHECK:      ldm     r{{[0-9]+}}, {r1, r2, r3}
+  call void @t(i32 0, %struct.s* @v);
+  ret void
+}