llvm-project/llvm/test/CodeGen/X86/x86-16.ll

28 lines
605 B
LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
target triple = "i386-unknown-linux-code16"
; Function Attrs: nounwind
define i32 @main() #0 {
%retval = alloca i32, align 4
store i32 0, i32* %retval, align 4
ret i32 0
}
; CHECK: .code16
; CHECK-LABEL: main
define i64 @foo(i32 %index) #0 {
%asm = tail call i64 asm "rdmsr", "=A,{cx},~{dirflag},~{fpsr},~{flags}"(i32 %index)
ret i64 %asm
}
; CHECK-LABEL: foo
; CHECK: rdmsr
attributes #0 = { nounwind }
!llvm.ident = !{!0}
!0 = !{!"clang version 3.9.0 (trunk 265439) (llvm/trunk 265567)"}