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gerrit-public.fairphone.software / platform / external / llvm / de412c391b25f6b397c354a4e73653fec6d27587 / . / test / CodeGen / PowerPC / atomic-2.ll
blob: a427379a8b6df1aa985ff69009105609da4eefa1 [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 {
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]4; CHECK: exchange_and_add:
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 {
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]12; CHECK: exchange_and_cmp:
13; CHECK: ldarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame^]14 %tmp = cmpxchg i64* %mem, i64 0, i64 1 monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]15; CHECK: stdcx.
16; CHECK: stdcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]17 ret i64 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]18}
19
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]20define i64 @exchange(i64* %mem, i64 %val) nounwind {
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]21; CHECK: exchange:
22; CHECK: ldarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame^]23 %tmp = atomicrmw xchg i64* %mem, i64 1 monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]24; CHECK: stdcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]25 ret i64 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]26}