mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-09 10:05:41 +00:00
be02a90de1
- Add RTM code generation support throught 3 X86 intrinsics: xbegin()/xend() to start/end a transaction region, and xabort() to abort a tranaction region git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167573 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
689 B
LLVM
31 lines
689 B
LLVM
; RUN: llc < %s -mattr=+rtm -mtriple=x86_64-unknown-unknown | FileCheck %s
|
|
|
|
declare i32 @llvm.x86.xbegin() nounwind
|
|
declare void @llvm.x86.xend() nounwind
|
|
declare void @llvm.x86.xabort(i8) noreturn nounwind
|
|
|
|
define i32 @test_xbegin() nounwind uwtable {
|
|
entry:
|
|
%0 = tail call i32 @llvm.x86.xbegin() nounwind
|
|
ret i32 %0
|
|
; CHECK: test_xbegin
|
|
; CHECK: xbegin [[LABEL:.*BB.*]]
|
|
; CHECK: [[LABEL]]:
|
|
}
|
|
|
|
define void @test_xend() nounwind uwtable {
|
|
entry:
|
|
tail call void @llvm.x86.xend() nounwind
|
|
ret void
|
|
; CHECK: test_xend
|
|
; CHECK: xend
|
|
}
|
|
|
|
define void @test_xabort() nounwind uwtable {
|
|
entry:
|
|
tail call void @llvm.x86.xabort(i8 2)
|
|
unreachable
|
|
; CHECK: test_xabort
|
|
; CHECK: xabort $2
|
|
}
|