File: indirect-reg-input.ll

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llvm-toolchain-13 1%3A13.0.1-6~deb11u1
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; RUN: not llc -mtriple=arm-eabi -mcpu=cortex-a8 %s -o - 2>&1 | FileCheck %s

; Check for error message:
; CHECK: error: inline asm not supported yet: don't know how to handle tied indirect register inputs

%struct.my_stack = type { %struct.myjmp_buf }
%struct.myjmp_buf = type { [6 x i32] }

define void @switch_to_stack(%struct.my_stack* %stack) nounwind {
entry:
  %regs = getelementptr inbounds %struct.my_stack, %struct.my_stack* %stack, i32 0, i32 0
  tail call void asm "\0A", "=*r,*0"(%struct.myjmp_buf* %regs, %struct.myjmp_buf* %regs)
  ret void
}