diff options
Diffstat (limited to 'llvm/test/CodeGen/Thumb/callee_save_reserved.ll')
| -rw-r--r-- | llvm/test/CodeGen/Thumb/callee_save_reserved.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Thumb/callee_save_reserved.ll b/llvm/test/CodeGen/Thumb/callee_save_reserved.ll new file mode 100644 index 00000000000..0329d7886a2 --- /dev/null +++ b/llvm/test/CodeGen/Thumb/callee_save_reserved.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -mtriple=thumbv6m-none-eabi -verify-machineinstrs -frame-pointer=none -mattr=+reserve-r6,+reserve-r8 \ +; RUN: -asm-verbose=false | FileCheck --check-prefix=CHECK-INVALID %s + +; Reserved low registers should not be used to correct reg deficit. +define <4 x i32> @four_high_four_return_reserved() { +entry: + ; CHECK-INVALID-NOT: r{{6|8}} + tail call void asm sideeffect "", "~{r8},~{r9}"() + %vecinit = insertelement <4 x i32> undef, i32 1, i32 0 + %vecinit11 = insertelement <4 x i32> %vecinit, i32 2, i32 1 + %vecinit12 = insertelement <4 x i32> %vecinit11, i32 3, i32 2 + %vecinit13 = insertelement <4 x i32> %vecinit12, i32 4, i32 3 + ret <4 x i32> %vecinit13 +} + |
