llvm/test/CodeGen/Thumb/frame-chain-reserved-fp.ll

   1 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=all 2>&1 | FileCheck %s --check-prefix=RESERVED-R7
   2 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=all -mattr=+aapcs-frame-chain 2>&1 | FileCheck %s --check-prefix=RESERVED-R11
   3 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=all -mattr=+aapcs-frame-chain-leaf 2>&1 | FileCheck %s --check-prefix=RESERVED-R11
   4 ; RUN: llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=non-leaf 2>&1 | FileCheck %s --check-prefix=RESERVED-NONE
   5 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=non-leaf -mattr=+aapcs-frame-chain 2>&1 | FileCheck %s --check-prefix=RESERVED-R11
   6 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=non-leaf -mattr=+aapcs-frame-chain-leaf 2>&1 | FileCheck %s --check-prefix=RESERVED-R11
   7 ; RUN: llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=none 2>&1 | FileCheck %s --check-prefix=RESERVED-NONE
   8 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=none -mattr=+aapcs-frame-chain 2>&1 | FileCheck %s --check-prefix=RESERVED-R11
   9 ; RUN: not llc -mtriple thumbv6m-arm-none-eabi -filetype asm -o - %s -frame-pointer=none -mattr=+aapcs-frame-chain-leaf 2>&1 | FileCheck %s --check-prefix=RESERVED-R11
  10
  11 declare void @leaf(i32 %input)
  12
  13 define void @reserved_r7(i32 %input) {
  14 ; RESERVED-NONE-NOT: error: write to reserved register 'R7'
  15 ; RESERVED-R7: error: write to reserved register 'R7'
  16 ; RESERVED-R11-NOT: error: write to reserved register 'R7'
  17   %1 = call i32 asm sideeffect "mov $0, $1", "={r7},r"(i32 %input)
  18   ret void
  19 }
  20
  21 define void @reserved_r11(i32 %input) {
  22 ; RESERVED-NONE-NOT: error: write to reserved register 'R11'
  23 ; RESERVED-R7-NOT: error: write to reserved register 'R11'
  24 ; RESERVED-R11: error: write to reserved register 'R11'
  25   %1 = call i32 asm sideeffect "mov $0, $1", "={r11},r"(i32 %input)
  26   ret void
  27 }