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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / 8b2b8a18354546d534b72f912153a3252ab4b857 / . / test / CodeGen / PowerPC / atomic-1.ll
blob: 1737916375ca50f1e7b76e1aae9c9d79eed85064 [file] [log] [blame]
Hal Finkel32e12df2013-03-27 13:20:52 +0000[diff] [blame]1; RUN: llc < %s -mtriple=powerpc-apple-darwin -march=ppc32 | FileCheck %s
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]2
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]3define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
Stephen Lin8b2b8a12013-07-14 06:24:09 +0000[diff] [blame^]4; CHECK-LABEL: exchange_and_add:
Hal Finkel32e12df2013-03-27 13:20:52 +0000[diff] [blame]5; CHECK: lwarx {{r[0-9]+}}, 0, {{r[0-9]+}}
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame]6 %tmp = atomicrmw add i32* %mem, i32 %val monotonic
Hal Finkel32e12df2013-03-27 13:20:52 +0000[diff] [blame]7; CHECK: stwcx. {{r[0-9]+}}, 0, {{r[0-9]+}}
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]8 ret i32 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]9}
10
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]11define i32 @exchange_and_cmp(i32* %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: lwarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame]14 %tmp = cmpxchg i32* %mem, i32 0, i32 1 monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]15; CHECK: stwcx.
16; CHECK: stwcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]17 ret i32 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]18}
19
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]20define i32 @exchange(i32* %mem, i32 %val) nounwind {
Stephen Lin8b2b8a12013-07-14 06:24:09 +0000[diff] [blame^]21; CHECK-LABEL: exchange:
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]22; CHECK: lwarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame]23 %tmp = atomicrmw xchg i32* %mem, i32 1 monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]24; CHECK: stwcx.
Chris Lattnerb85e4eb2011-06-18 06:05:24 +0000[diff] [blame]25 ret i32 %tmp
Evan Cheng8608f2e2008-04-19 02:30:38 +0000[diff] [blame]26}