[PATCH] Hexagon Calling Convention Test

[Sundeep]

Hi bcahoon, iajbar, kparzysz,

Add a test program to verify calling convention for large struct return by value.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9709

Files:
  test/CodeGen/Hexagon/calling-conv-2.ll

Index: test/CodeGen/Hexagon/calling-conv-2.ll
===================================================================
--- test/CodeGen/Hexagon/calling-conv-2.ll
+++ test/CodeGen/Hexagon/calling-conv-2.ll
@@ -0,0 +1,13 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5 <%s | \
+; RUN:   FileCheck %s --check-prefix=CHECK-ONE
+
+%struct.test_struct = type { i32, i8, i64 }
+
+; CHECK-ONE:    r1 = #45
+define void @foo(%struct.test_struct* noalias nocapture sret %agg.result, i32 %a) #0 {
+entry:
+  call void @bar(%struct.test_struct* sret %agg.result, i32 45) #2
+  ret void
+}
+
+declare void @bar(%struct.test_struct* sret, i32) #1

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