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llvm/trunk/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 | |||||
} |