llvm-6502/test/CodeGen/PowerPC/atomic-2.ll
Chris Lattner b85e4eba85 rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
for pre-2.9 bitcode files.  We keep x86 unaligned loads, movnt, crc32, and the
target indep prefetch change.

As usual, updating the testsuite is a PITA.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 06:05:24 +00:00

24 lines
761 B
LLVM

; RUN: llc < %s -march=ppc64 | grep ldarx | count 3
; RUN: llc < %s -march=ppc64 | grep stdcx. | count 4
define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind {
%tmp = call i64 @llvm.atomic.load.add.i64.p0i64(i64* %mem, i64 %val)
ret i64 %tmp
}
define i64 @exchange_and_cmp(i64* %mem) nounwind {
%tmp = call i64 @llvm.atomic.cmp.swap.i64.p0i64(i64* %mem, i64 0, i64 1)
ret i64 %tmp
}
define i64 @exchange(i64* %mem, i64 %val) nounwind {
%tmp = call i64 @llvm.atomic.swap.i64.p0i64(i64* %mem, i64 1)
ret i64 %tmp
}
declare i64 @llvm.atomic.load.add.i64.p0i64(i64* nocapture, i64) nounwind
declare i64 @llvm.atomic.cmp.swap.i64.p0i64(i64* nocapture, i64, i64) nounwind
declare i64 @llvm.atomic.swap.i64.p0i64(i64* nocapture, i64) nounwind