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llvm-mirror/test/CodeGen/RISCV/musttail-call.ll
2020-11-20 17:58:26 -05:00

21 lines
781 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(%struct.A) %a)
define void @caller_musttail(%struct.A* sret(%struct.A) %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(%struct.A) %a)
ret void
}