1; Check that we error out if tail is not possible but call is marked as mustail. 2 3; RUN: not llc -mtriple riscv32-unknown-linux-gnu -o - %s \ 4; RUN: 2>&1 | FileCheck %s 5; RUN: not llc -mtriple riscv32-unknown-elf -o - %s \ 6; RUN: 2>&1 | FileCheck %s 7; RUN: not llc -mtriple riscv64-unknown-linux-gnu -o - %s \ 8; RUN: 2>&1 | FileCheck %s 9; RUN: not llc -mtriple riscv64-unknown-elf -o - %s \ 10; RUN: 2>&1 | FileCheck %s 11 12%struct.A = type { i32 } 13 14declare void @callee_musttail(%struct.A* sret %a) 15define void @caller_musttail(%struct.A* sret %a) { 16; CHECK: LLVM ERROR: failed to perform tail call elimination on a call site marked musttail 17entry: 18 musttail call void @callee_musttail(%struct.A* sret %a) 19 ret void 20} 21