Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions

View File

@ -0,0 +1,25 @@
; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s
; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s
define i32 @get_stack() nounwind {
entry:
; CHECK-LABEL: get_stack:
; CHECK: mov r0, sp
%sp = call i32 @llvm.read_register.i32(metadata !0)
ret i32 %sp
}
define void @set_stack(i32 %val) nounwind {
entry:
; CHECK-LABEL: set_stack:
; CHECK: mov sp, r0
call void @llvm.write_register.i32(metadata !0, i32 %val)
ret void
}
declare i32 @llvm.read_register.i32(metadata) nounwind
declare void @llvm.write_register.i32(metadata, i32) nounwind
; register unsigned long current_stack_pointer asm("sp");
; CHECK-NOT: .asciz "sp"
!0 = !{!"sp\00"}