1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/epilogue_prologue_fp.ll b/test/CodeGen/XCore/epilogue_prologue_fp.ll
new file mode 100644
index 0000000000..9b9837c90d
--- /dev/null
+++ b/test/CodeGen/XCore/epilogue_prologue_fp.ll
@@ -0,0 +1,42 @@
+; Functions with frames > 256K bytes require a frame pointer to access the stack.
+; At present, functions must be compiled using '-fno-omit-frame-pointer'.
+; RUN: llc < %s -march=xcore -disable-fp-elim | FileCheck %s
+
+declare void @f0(i32*)
+
+; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4
+; CHECK: .LCPI[[NUM:[0-9_]+]]:
+; CHECK: .long   99999
+; CHECK: .text
+; CHECK-LABEL:f1
+; CHECK:      entsp 65535
+; CHECK-NEXT: extsp 34465
+; CHECK-NEXT: stw r10, sp[1]
+; CHECK-NEXT: ldaw r10, sp[0]
+; CHECK-NEXT: ldw r1, cp[.LCPI[[NUM]]]
+; CHECK-NEXT: ldaw r0, r10[r1]
+; CHECK-NEXT: extsp 1
+; CHECK-NEXT: bl f0
+; CHECK-NEXT: ldaw sp, sp[1]
+; CHECK-NEXT: set sp, r10
+; CHECK-NEXT: ldw r10, sp[1]
+; CHECK-NEXT: ldaw sp, sp[65535]
+; CHECK-NEXT: retsp 34465
+define void @f1() nounwind {
+entry:
+  %0 = alloca [99998 x i32]
+  %1 = getelementptr inbounds [99998 x i32]* %0, i32 0, i32 99997
+  call void @f0(i32* %1)
+  ret void
+}
+
+; CHECK-LABEL:f2
+; CHECK:      mkmsk  [[REG:r[0-9]+]], 15
+; CHECK-NEXT: ldaw r0, r10{{\[}}[[REG]]{{\]}}
+define void @f2() nounwind {
+entry:
+  %0 = alloca [32768 x i32]
+  %1 = getelementptr inbounds [32768 x i32]* %0, i32 0, i32 32765
+  call void @f0(i32* %1)
+  ret void
+}