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llvm-mirror/test/CodeGen/X86/atomic-or.ll
2011-09-26 23:15:09 +00:00

29 lines
691 B
LLVM

; RUN: llc < %s -march=x86-64 | 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** %p.addr, align 8
; CHECK: t1:
; CHECK: movl $2147483648, %eax
; CHECK: lock
; CHECK-NEXT: 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** %p.addr, align 8
; CHECK: t2:
; CHECK: lock
; CHECK-NEXT: orq $2147483644, (%r{{.*}})
%0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst
ret void
}