1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/calling-conv.ll b/llvm/test/CodeGen/Hexagon/calling-conv.ll
new file mode 100644
index 00000000000..bbe376b7f51
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calling-conv.ll
@@ -0,0 +1,37 @@
+; RUN: llc -march=hexagon -mno-pairing -mno-compound <%s | FileCheck %s --check-prefix=CHECK-ONE
+; RUN: llc -march=hexagon -mno-pairing -mno-compound <%s | FileCheck %s --check-prefix=CHECK-TWO
+; RUN: llc -march=hexagon -mno-pairing -mno-compound <%s | FileCheck %s --check-prefix=CHECK-THREE
+
+%s.0 = type { i32, i8, i64 }
+%s.1 = type { i8, i64 }
+
+@g0 = external global %s.0*
+
+; CHECK-ONE:    memw(r29+#48) = r2
+; CHECK-TWO:    memw(r29+#52) = r2
+; CHECK-THREE:  memw(r29+#56) = r2
+
+define void @f0(%s.0* noalias nocapture sret %a0, i32 %a1, i8 zeroext %a2, %s.0* byval nocapture readnone align 8 %a3, %s.1* byval nocapture readnone align 8 %a4) #0 {
+b0:
+  %v0 = alloca %s.0, align 8
+  %v1 = load %s.0*, %s.0** @g0, align 4
+  %v2 = sext i32 %a1 to i64
+  %v3 = add nsw i64 %v2, 1
+  %v4 = add nsw i32 %a1, 2
+  %v5 = add nsw i64 %v2, 3
+  call void @f1(%s.0* sret %v0, i32 45, %s.0* byval align 8 %v1, %s.0* byval align 8 %v1, i8 zeroext %a2, i64 %v3, i32 %v4, i64 %v5, i8 zeroext %a2, i8 zeroext %a2, i8 zeroext %a2, i32 45)
+  %v6 = bitcast %s.0* %v0 to i32*
+  store i32 20, i32* %v6, align 8
+  %v7 = bitcast %s.0* %a0 to i8*
+  %v8 = bitcast %s.0* %v0 to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %v7, i8* align 8 %v8, i32 16, i1 false)
+  ret void
+}
+
+declare void @f1(%s.0* sret, i32, %s.0* byval align 8, %s.0* byval align 8, i8 zeroext, i64, i32, i64, i8 zeroext, i8 zeroext, i8 zeroext, i32)
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i1) #1
+
+attributes #0 = { nounwind "target-cpu"="hexagonv55" }
+attributes #1 = { argmemonly nounwind }