ARM: correctly determine final tBX_LR in Thumb1 functions

[oota-llvm.git] / test / CodeGen / ARM / fold-stack-adjust.ll

diff --git a/test/CodeGen/ARM/fold-stack-adjust.ll b/test/CodeGen/ARM/fold-stack-adjust.ll
index 81d94d16c15254157b380d139d0bf001647a9ccc..feac793f4f8aa422f5e0f23dc8792ebe428b17c4 100644 (file)
--- a/test/CodeGen/ARM/fold-stack-adjust.ll
+++ b/test/CodeGen/ARM/fold-stack-adjust.ll
@@ -162,3 +162,26 @@ end:
   ; the correct edge-case (first inst in block is correct one to adjust).
   ret void
 }
+
+define void @test_varsize(...) minsize {
+; CHECK-T1-LABEL: test_varsize:
+; CHECK-T1: sub        sp, #16
+; CHECK-T1: push       {r2, r3, r4, r5, r7, lr}
+; ...
+; CHECK-T1: pop        {r2, r3, r4, r5, r7}
+; CHECK-T1: pop        {r3}
+; CHECK-T1: add        sp, #16
+; CHECK-T1: bx r3
+
+; CHECK-LABEL: test_varsize:
+; CHECK: sub   sp, #16
+; CHECK: push  {r5, r6, r7, lr}
+; ...
+; CHECK: pop.w {r2, r3, r7, lr}
+; CHECK: add   sp, #16
+; CHECK: bx    lr
+
+  %var = alloca i8, i32 8
+  call void @bar(i8* %var)
+  ret void
+}