1 files changed, 99 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/debug-frame-large-stack.ll b/test/CodeGen/ARM/debug-frame-large-stack.ll
new file mode 100644
index 0000000..5bafce9
--- /dev/null
+++ b/test/CodeGen/ARM/debug-frame-large-stack.ll
@@ -0,0 +1,99 @@
+; RUN: llc -filetype=asm -o - < %s -mtriple arm-arm-none-eabi -disable-fp-elim| FileCheck %s --check-prefix=CHECK-ARM
+; RUN: llc -filetype=asm -o - < %s -mtriple arm-arm-none-eabi | FileCheck %s --check-prefix=CHECK-ARM-FP-ELIM
+
+define void @test1() {
+    %tmp = alloca [ 64 x i32 ] , align 4
+    ret void
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!8, !9}
+!llvm.ident = !{!10}
+
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/large.c] [DW_LANG_C99]
+!1 = metadata !{metadata !"large.c", metadata !"/tmp"}
+!2 = metadata !{}
+!3 = metadata !{metadata !4}
+!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"test1", metadata !"test1", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @test1, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [test1]
+!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/tmp/large.c]
+!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{null}
+!8 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
+!9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
+!10 = metadata !{metadata !"clang version 3.5 "}
+!11 = metadata !{i32 2, i32 0, metadata !4, null}
+
+; CHECK-ARM-LABEL: test1:
+; CHECK-ARM: .cfi_startproc
+; CHECK-ARM: sub    sp, sp, #256
+; CHECK-ARM: .cfi_endproc
+
+; CHECK-ARM-FP-ELIM-LABEL: test1:
+; CHECK-ARM-FP-ELIM: .cfi_startproc
+; CHECK-ARM-FP-ELIM: sub    sp, sp, #256
+; CHECK-ARM-FP-ELIM: .cfi_endproc
+
+define void @test2() {
+    %tmp = alloca [ 4168 x i8 ] , align 4
+    ret void
+}
+
+; CHECK-ARM-LABEL: test2:
+; CHECK-ARM: .cfi_startproc
+; CHECK-ARM: push    {r4, r5}
+; CHECK-ARM: .cfi_def_cfa_offset 8
+; CHECK-ARM: .cfi_offset r5, -4
+; CHECK-ARM: .cfi_offset r4, -8
+; CHECK-ARM: sub    sp, sp, #72
+; CHECK-ARM: sub    sp, sp, #4096
+; CHECK-ARM: .cfi_def_cfa_offset 4176
+; CHECK-ARM: .cfi_endproc
+
+; CHECK-ARM-FP_ELIM-LABEL: test2:
+; CHECK-ARM-FP_ELIM: .cfi_startproc
+; CHECK-ARM-FP_ELIM: push    {r4, r5}
+; CHECK-ARM-FP_ELIM: .cfi_def_cfa_offset 8
+; CHECK-ARM-FP_ELIM: .cfi_offset 54, -4
+; CHECK-ARM-FP_ELIM: .cfi_offset r4, -8
+; CHECK-ARM-FP_ELIM: sub    sp, sp, #72
+; CHECK-ARM-FP_ELIM: sub    sp, sp, #4096
+; CHECK-ARM-FP_ELIM: .cfi_def_cfa_offset 4176
+; CHECK-ARM-FP_ELIM: .cfi_endproc
+
+define i32 @test3() {
+	%retval = alloca i32, align 4
+	%tmp = alloca i32, align 4
+	%a = alloca [805306369 x i8], align 16
+	store i32 0, i32* %tmp
+	%tmp1 = load i32* %tmp
+        ret i32 %tmp1
+}
+
+; CHECK-ARM-LABEL: test3:
+; CHECK-ARM: .cfi_startproc
+; CHECK-ARM: push    {r4, r5, r11}
+; CHECK-ARM: .cfi_def_cfa_offset 12
+; CHECK-ARM: .cfi_offset r11, -4
+; CHECK-ARM: .cfi_offset r5, -8
+; CHECK-ARM: .cfi_offset r4, -12
+; CHECK-ARM: add    r11, sp, #8
+; CHECK-ARM: .cfi_def_cfa r11, 4
+; CHECK-ARM: sub    sp, sp, #20
+; CHECK-ARM: sub    sp, sp, #805306368
+; CHECK-ARM: bic    sp, sp, #15
+; CHECK-ARM: .cfi_endproc
+
+; CHECK-ARM-FP-ELIM-LABEL: test3:
+; CHECK-ARM-FP-ELIM: .cfi_startproc
+; CHECK-ARM-FP-ELIM: push    {r4, r5, r11}
+; CHECK-ARM-FP-ELIM: .cfi_def_cfa_offset 12
+; CHECK-ARM-FP-ELIM: .cfi_offset r11, -4
+; CHECK-ARM-FP-ELIM: .cfi_offset r5, -8
+; CHECK-ARM-FP-ELIM: .cfi_offset r4, -12
+; CHECK-ARM-FP-ELIM: add    r11, sp, #8
+; CHECK-ARM-FP-ELIM: .cfi_def_cfa r11, 4
+; CHECK-ARM-FP-ELIM: sub    sp, sp, #20
+; CHECK-ARM-FP-ELIM: sub    sp, sp, #805306368
+; CHECK-ARM-FP-ELIM: bic    sp, sp, #15
+; CHECK-ARM-FP-ELIM: .cfi_endproc
+