File: system-intrinsics-xgetbv.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (21 lines) | stat: -rw-r--r-- 536 bytes parent folder | download | duplicates (27) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+xsave | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+xsave | FileCheck %s --check-prefix=CHECK64

define i64 @test_xgetbv(i32 %in) {
; CHECK-LABEL: test_xgetbv
; CHECK: movl  4(%esp), %ecx
; CHECK: xgetbv
; CHECK: ret

; CHECK64-LABEL: test_xgetbv
; CHECK64: movl  %edi, %ecx
; CHECK64: xgetbv
; CHECK64: shlq  $32, %rdx
; CHECK64: orq   %rdx, %rax
; CHECK64: ret

  %1 = call i64 @llvm.x86.xgetbv(i32 %in)
  ret i64 %1;
}

declare i64 @llvm.x86.xgetbv(i32)