llvm-project/llvm/test/CodeGen/RISCV/musttail-call.ll

21 lines
748 B
LLVM

; Check that we error out if tail is not possible but call is marked as mustail.
; RUN: not --crash llc -mtriple riscv32-unknown-linux-gnu -o - %s \
; RUN: 2>&1 | FileCheck %s
; RUN: not --crash llc -mtriple riscv32-unknown-elf -o - %s \
; RUN: 2>&1 | FileCheck %s
; RUN: not --crash llc -mtriple riscv64-unknown-linux-gnu -o - %s \
; RUN: 2>&1 | FileCheck %s
; RUN: not --crash llc -mtriple riscv64-unknown-elf -o - %s \
; RUN: 2>&1 | FileCheck %s
%struct.A = type { i32 }
declare void @callee_musttail(%struct.A* sret %a)
define void @caller_musttail(%struct.A* sret %a) {
; CHECK: LLVM ERROR: failed to perform tail call elimination on a call site marked musttail
entry:
musttail call void @callee_musttail(%struct.A* sret %a)
ret void
}