1 files changed, 52 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/PR35379.ll b/llvm/test/CodeGen/ARM/PR35379.ll
new file mode 100644
index 00000000000..b99ca40e29e
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/PR35379.ll
@@ -0,0 +1,52 @@
+; RUN: llc -mtriple=armv7a-eabi < %s | FileCheck %s --check-prefix=CHECK-ARM
+; RUN: llc -mtriple=armv6m-eabi < %s | FileCheck %s --check-prefix=CHECK-THM
+
+; Function Attrs: minsize optsize
+declare void @g(i32*) local_unnamed_addr #0
+
+; Function Attrs: minsize optsize
+define void @f() local_unnamed_addr #0 {
+entry:
+  %i = alloca i32, align 4
+  %0 = bitcast i32* %i to i8*
+  store i32 1, i32* %i, align 4
+  call void @g(i32* nonnull %i)
+  ret void
+}
+
+; Check unwind info does not mention the registers used for padding, and
+; the amount of stack adjustment is the same as in the actual
+; instructions.
+
+; CHECK-ARM:      .save {r11, lr}
+; CHECK-ARM-NEXT: .pad #8
+; CHECK-ARM-NEXT: push {r9, r10, r11, lr}
+; CHECK-ARM:      pop {r2, r3, r11, pc}
+
+; CHECK-THM:      .save {r7, lr}
+; CHECK-THM-NEXT: .pad #8
+; CHECK-THM-NEXT: push {r5, r6, r7, lr}
+; CHECK-THM:      pop {r2, r3, r7, pc}
+
+
+define void @f1() local_unnamed_addr #1 {
+entry:
+  %i = alloca i32, align 4
+  %0 = bitcast i32* %i to i8*
+  store i32 1, i32* %i, align 4
+  call void @g(i32* nonnull %i)
+  ret void
+}
+
+; Check that unwind info is the same whether or not using -Os (minsize attr)
+
+; CHECK-ARM:      .save {r11, lr}
+; CHECK-ARM-NEXT: push {r11, lr}
+; CHECK-ARM-NEXT: .pad #8
+
+; CHECK-THM:      .save {r7, lr}
+; CHECK-THM-NEXT: push {r7, lr}
+; CHECK-THM-NEXT: .pad #8
+
+attributes #0 = { minsize optsize }
+attributes #1 = { optsize }