Files
linux-packaging-mono/external/llvm/test/CodeGen/X86/atomic-or.ll
Xamarin Public Jenkins (auto-signing) f32dbaf0b2 Imported Upstream version 5.18.0.225
Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
2018-12-21 19:01:49 +00:00

27 lines
713 B
LLVM

; RUN: llc < %s -mtriple=x86_64-- -verify-machineinstrs | FileCheck %s
; rdar://9692967
define void @t1(i64* %p, i32 %b) nounwind {
entry:
%p.addr = alloca i64*, align 8
store i64* %p, i64** %p.addr, align 8
%tmp = load i64*, i64** %p.addr, align 8
; CHECK-LABEL: t1:
; CHECK: movl $2147483648, %eax
; CHECK: lock orq %r{{.*}}, (%r{{.*}})
%0 = atomicrmw or i64* %tmp, i64 2147483648 seq_cst
ret void
}
define void @t2(i64* %p, i32 %b) nounwind {
entry:
%p.addr = alloca i64*, align 8
store i64* %p, i64** %p.addr, align 8
%tmp = load i64*, i64** %p.addr, align 8
; CHECK-LABEL: t2:
; CHECK: lock orq $2147483644, (%r{{.*}})
%0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst
ret void
}