third_party/llvm-7.0/llvm/test/CodeGen/RISCV/option-rvc.ll

; RUN: llc -mtriple=riscv32 -filetype=obj < %s\
; RUN: | llvm-objdump -triple=riscv32 -mattr=+c -d -riscv-no-aliases -\
; RUN: | FileCheck -check-prefix=CHECK %s

; This test demonstrates that .option norvc has no effect on codegen when
; emitting an ELF directly.

define i32 @add(i32 %a, i32 %b) nounwind {
; CHECK-LABEL: add:
; CHECK:    add a0, a1, a0
; CHECK-NEXT:    jalr zero, ra, 0
  tail call void asm sideeffect ".option rvc", ""()
  %add = add nsw i32 %b, %a
  ret i32 %add
}