Fix possible infinite loop in shrink wrapping when searching for save/restore

[oota-llvm.git] / test / CodeGen / ARM / dwarf-unwind.ll

diff --git a/test/CodeGen/ARM/dwarf-unwind.ll b/test/CodeGen/ARM/dwarf-unwind.ll
index 58f486d76ab171e2637737786158db3de852333d..5256db863440071f1c15ba4e657fb2f695ace431 100644 (file)
--- a/test/CodeGen/ARM/dwarf-unwind.ll
+++ b/test/CodeGen/ARM/dwarf-unwind.ll
@@ -10,7 +10,9 @@ declare void @bar()
 define void @test_dpr_align(i8 %l, i8 %r) {
 ; CHECK-LABEL: test_dpr_align:
 ; CHECK: push.w {r4, r5, r6, r7, r8, r9, r10, r11, lr}
+; CHECK: .cfi_def_cfa_offset 36
 ; CHECK: sub sp, #4
+; CHECK: .cfi_def_cfa_offset 40
 ; CHECK: vpush {d8}
 ; CHECK: .cfi_offset d8, -48
 ; CHECK-NOT: sub sp
@@ -66,3 +68,15 @@ define void @test_nodpr_noalign(i8 %l, i8 %r) {
   call void @bar()
   ret void
 }
+
+define void @test_frame_pointer_offset() minsize "no-frame-pointer-elim"="true" {
+; CHECK-LABEL: test_frame_pointer_offset:
+; CHECK: push.w {r3, r4, r5, r6, r7, r8, r9, r10, r11, lr}
+; CHECK: .cfi_def_cfa_offset 40
+; CHECK: add r7, sp, #16
+; CHECK: .cfi_def_cfa r7, 24
+; CHECK-NOT: .cfi_def_cfa_offset
+  call void asm sideeffect "", "~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{d8}"()
+  call void @bar()
+  ret void
+}
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