XCore target: Add byval handling

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187563 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 58 insertions, 0 deletions

diff --git a/test/CodeGen/XCore/byVal.ll b/test/CodeGen/XCore/byVal.ll
new file mode 100644
index 0000000..a5d25d2
--- /dev/null
+++ b/test/CodeGen/XCore/byVal.ll
@@ -0,0 +1,58 @@
+; RUN: llc < %s -march=xcore | FileCheck %s
+
+; CHECK-LABEL: f0Test
+; CHECK: entsp 1
+; CHECK: bl f0
+; CHECK: retsp 1
+%struct.st0 = type { [0 x i32] }
+declare void @f0(%struct.st0*) nounwind
+define void @f0Test(%struct.st0* byval %s0) nounwind {
+entry:
+  call void @f0(%struct.st0* %s0) nounwind
+  ret void
+}
+
+; CHECK-LABEL: f1Test
+; CHECK: entsp 13
+; CHECK: stw r4, sp[12]
+; CHECK: stw r5, sp[11]
+; CHECK: mov r4, r0
+; CHECK: ldaw r5, sp[1]
+; CHECK: ldc r2, 40
+; CHECK: mov r0, r5
+; CHECK: bl memcpy
+; CHECK: mov r0, r5
+; CHECK: bl f1
+; CHECK: mov r0, r4
+; CHECK: ldw r5, sp[11]
+; CHECK: ldw r4, sp[12]
+; CHECK: retsp 13
+%struct.st1 = type { [10 x i32] }
+declare void @f1(%struct.st1*) nounwind
+define i32 @f1Test(i32 %i, %struct.st1* byval %s1) nounwind {
+entry:
+  call void @f1(%struct.st1* %s1) nounwind
+  ret i32 %i
+}
+
+; CHECK-LABEL: f2Test
+; CHECK: extsp 4
+; CHECK: stw lr, sp[1]
+; CHECK: stw r2, sp[3]
+; CHECK: stw r3, sp[4]
+; CHECK: ldw r0, r0[0]
+; CHECK: stw r0, sp[2]
+; CHECK: ldaw r2, sp[2]
+; CHECK: mov r0, r1
+; CHECK: mov r1, r2
+; CHECK: bl f2
+; CHECK: ldw lr, sp[1]
+; CHECK: ldaw sp, sp[4]
+; CHECK: retsp 0
+%struct.st2 = type { i32 }
+declare void @f2(i32, %struct.st2*) nounwind
+define void @f2Test(%struct.st2* byval %s2, i32 %i, ...) nounwind {
+entry:
+  call void @f2(i32 %i, %struct.st2* %s2)
+  ret void
+}