llvm-project/llvm/test/CodeGen/X86/ipra-reg-alias.ll

13 lines
384 B
LLVM

; RUN: llc -enable-ipra -print-regusage -o /dev/null 2>&1 < %s | FileCheck %s
target triple = "x86_64--"
define i8 @main(i8 %X) {
%inc = add i8 %X, 1
%inc2 = mul i8 %inc, 5
; Here only CL is clobbred so CH should not be clobbred, but CX, ECX and RCX
; should be clobbered.
; CHECK: main Clobbered Registers: $ah $al $ax $cl $cx $eax $ecx $eflags $hax $rax $rcx
ret i8 %inc2
}