forked from OSchip/llvm-project
44 lines
942 B
LLVM
44 lines
942 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) nounwind
|
|
declare void @f1()
|
|
|
|
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)
|
|
ret void
|
|
; CHECK: test_xabort
|
|
; CHECK: xabort $2
|
|
}
|
|
|
|
define void @f2(i32 %x) nounwind uwtable {
|
|
entry:
|
|
%x.addr = alloca i32, align 4
|
|
store i32 %x, i32* %x.addr, align 4
|
|
call void @llvm.x86.xabort(i8 1)
|
|
call void @f1()
|
|
ret void
|
|
; CHECK-LABEL: f2
|
|
; CHECK: xabort $1
|
|
; CHECK: callq f1
|
|
}
|
|
|