Gitiles
Code Review Sign In
gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / d2327b22152ced7bc46dc629fc908959e8a52d03 / . / test / CodeGen / PowerPC / atomic-2.ll
blob: 843250f10b4f39759c935c00c351e21a04223607 [file] [log] [blame]
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]1; RUN: llc < %s -march=ppc64 | FileCheck %s
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]2
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]3define i64 @exchange_and_add(i64* %mem, i64 %val) nounwind {
Stephen Lin8b2b8a12013-07-14 06:24:09 +0000[diff] [blame]4; CHECK-LABEL: exchange_and_add:
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]5; CHECK: ldarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame]6 %tmp = atomicrmw add i64* %mem, i64 %val monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]7; CHECK: stdcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]8 ret i64 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]9}
10
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]11define i64 @exchange_and_cmp(i64* %mem) nounwind {
Stephen Lin8b2b8a12013-07-14 06:24:09 +0000[diff] [blame]12; CHECK-LABEL: exchange_and_cmp:
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]13; CHECK: ldarx
Stephen Hinesc6a4f5e2014-07-21 00:45:20 -0700[diff] [blame]14 %tmppair = cmpxchg i64* %mem, i64 0, i64 1 monotonic monotonic
15 %tmp = extractvalue { i64, i1 } %tmppair, 0
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]16; CHECK: stdcx.
17; CHECK: stdcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]18 ret i64 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]19}
20
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]21define i64 @exchange(i64* %mem, i64 %val) nounwind {
Stephen Lin8b2b8a12013-07-14 06:24:09 +0000[diff] [blame]22; CHECK-LABEL: exchange:
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]23; CHECK: ldarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame]24 %tmp = atomicrmw xchg i64* %mem, i64 1 monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]25; CHECK: stdcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]26 ret i64 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]27}
Hal Finkelcd9ea512012-12-25 17:22:53 +0000[diff] [blame]28
29define void @atomic_store(i64* %mem, i64 %val) nounwind {
30entry:
31; CHECK: @atomic_store
32 store atomic i64 %val, i64* %mem release, align 64
33; CHECK: ldarx
34; CHECK: stdcx.
35 ret void
36}
37
38define i64 @atomic_load(i64* %mem) nounwind {
39entry:
40; CHECK: @atomic_load
41 %tmp = load atomic i64* %mem acquire, align 64
42; CHECK: ldarx
43; CHECK: stdcx.
44; CHECK: stdcx.
45 ret i64 %tmp
46}
47