test for unpaired cases

llvm/test/CodeGen/AArch64/arm64-homogeneous-prolog-epilog-odd-csrs.ll

@@ -0,0 +1,18 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -homogeneous-prolog-epilog | FileCheck %s
+; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu  -homogeneous-prolog-epilog | FileCheck %s --check-prefixes=CHECK-LINUX
+
+declare void @bar(i32 %i)
+
+define void @odd_num_callee_saved_registers(ptr swifterror %error, i32 %i) nounwind minsize {
+  call void asm sideeffect "mov x0, #42", "~{x0},~{x19},~{x20},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28}"() nounwind
+  call void @bar(i32 %i)
+  ret void
+}
+
+; CHECK-LABEL: _OUTLINED_FUNCTION_PROLOG_x30x29x19x20x22x23x24x25x26x27x28:
+; CHECK:	str	x28, [sp, #-80]!
+; CHECK-LABEL: _OUTLINED_FUNCTION_EPILOG_TAIL_x30x29x19x20x22x23x24x25x26x27x28:
+; CHECK:	ldr	x28, [sp], #96
+
+; CHECK-LINUX-NOT: OUTLINED_FUNCTION_PROLOG:
+; CHECK-LINUX-NOT: OUTLINED_FUNCTION_EPILOG:

llvm/test/CodeGen/AArch64/arm64-homogeneous-prolog-epilog.ll

@@ -77,21 +77,3 @@ declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
 define void @swift_async(i8* swiftasync %ctx) minsize "frame-pointer"="all" {
   ret void
 }
-
-declare void @bar(i32 %i)
-
-define void @odd_num_callee_saved_registers(ptr swifterror %error, i32 %i) nounwind minsize {
-  call void asm sideeffect "mov x0, #42", "~{x0},~{x19},~{x20},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28}"() nounwind
-  call void @bar(i32 %i)
-  ret void
-}
-
-; CHECK-LABEL: _OUTLINED_FUNCTION_PROLOG_x30x29x19x20x22x23x24x25x26x27x28:
-; CHECK:	stp	x28, xzr, [sp, #-80]!
-; CHECK-LABEL: _OUTLINED_FUNCTION_EPILOG_TAIL_x30x29x19x20x22x23x24x25x26x27x28:
-; CHECK:	ldp	x28, xzr, [sp], #96
-
-; CHECK-LINUX-LABEL: OUTLINED_FUNCTION_PROLOG_x19x20x22x23x24x25x26x27x28x30x29:
-; CHECK-LINUX:	stp	x29, xzr, [sp, #-8]!
-; CHECK-LINUX-LABEL: OUTLINED_FUNCTION_EPILOG_TAIL_x19x20x22x23x24x25x26x27x28x30x29:
-; CHECK-LINUX:	ldp	x29, xzr, [sp], #96