2011-07-18 23:23:42 +02:00
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; RUN: llc < %s -march=ppc64 | FileCheck %s
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2008-04-19 04:30:38 +02:00
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2011-06-18 08:05:24 +02:00
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define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind {
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2011-07-18 23:23:42 +02:00
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; CHECK: exchange_and_add:
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; CHECK: ldarx
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2011-09-26 23:30:17 +02:00
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%tmp = atomicrmw add i64* %mem, i64 %val monotonic
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2011-07-18 23:23:42 +02:00
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; CHECK: stdcx.
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2011-06-18 08:05:24 +02:00
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ret i64 %tmp
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2008-04-19 04:30:38 +02:00
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}
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2011-06-18 08:05:24 +02:00
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|
define i64 @exchange_and_cmp(i64* %mem) nounwind {
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2011-07-18 23:23:42 +02:00
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; CHECK: exchange_and_cmp:
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; CHECK: ldarx
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2011-09-26 23:30:17 +02:00
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|
%tmp = cmpxchg i64* %mem, i64 0, i64 1 monotonic
|
2011-07-18 23:23:42 +02:00
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|
; CHECK: stdcx.
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; CHECK: stdcx.
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2011-06-18 08:05:24 +02:00
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|
ret i64 %tmp
|
2008-04-19 04:30:38 +02:00
|
|
|
}
|
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|
2011-06-18 08:05:24 +02:00
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|
|
define i64 @exchange(i64* %mem, i64 %val) nounwind {
|
2011-07-18 23:23:42 +02:00
|
|
|
; CHECK: exchange:
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|
|
; CHECK: ldarx
|
2011-09-26 23:30:17 +02:00
|
|
|
%tmp = atomicrmw xchg i64* %mem, i64 1 monotonic
|
2011-07-18 23:23:42 +02:00
|
|
|
; CHECK: stdcx.
|
2011-06-18 08:05:24 +02:00
|
|
|
ret i64 %tmp
|
2008-04-19 04:30:38 +02:00
|
|
|
}
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