Gitiles
Code Review Sign In
gerrit-public.fairphone.software / toolchain / llvm-project / e8aab7480c2550b51fd60d6eb102b361e70931d7 / . / llvm / test / CodeGen / PowerPC / atomic-1.ll
blob: 997a016a5dcdb91fb2cab10d585598e3f0a0c7ef [file] [log] [blame]
Hal Finkel68714352013-03-27 13:20:52 +0000[diff] [blame]1; RUN: llc < %s -mtriple=powerpc-apple-darwin -march=ppc32 | FileCheck %s
Evan Cheng5102bd92008-04-19 02:30:38 +0000[diff] [blame]2
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000[diff] [blame]3define i32 @exchange_and_add(i32* %mem, i32 %val) nounwind {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]4; CHECK-LABEL: exchange_and_add:
Hal Finkel68714352013-03-27 13:20:52 +0000[diff] [blame]5; CHECK: lwarx {{r[0-9]+}}, 0, {{r[0-9]+}}
Eli Friedman6fb0c1e2011-09-26 21:30:17 +0000[diff] [blame]6 %tmp = atomicrmw add i32* %mem, i32 %val monotonic
Hal Finkel68714352013-03-27 13:20:52 +0000[diff] [blame]7; CHECK: stwcx. {{r[0-9]+}}, 0, {{r[0-9]+}}
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000[diff] [blame]8 ret i32 %tmp
Evan Cheng5102bd92008-04-19 02:30:38 +0000[diff] [blame]9}
10
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000[diff] [blame]11define i32 @exchange_and_cmp(i32* %mem) nounwind {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]12; CHECK-LABEL: exchange_and_cmp:
Eli Friedman4d5532a2011-07-18 21:23:42 +0000[diff] [blame]13; CHECK: lwarx
Tim Northover420a2162014-06-13 14:24:07 +0000[diff] [blame]14 %tmppair = cmpxchg i32* %mem, i32 0, i32 1 monotonic monotonic
15 %tmp = extractvalue { i32, i1 } %tmppair, 0
Eli Friedman4d5532a2011-07-18 21:23:42 +0000[diff] [blame]16; CHECK: stwcx.
17; CHECK: stwcx.
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000[diff] [blame]18 ret i32 %tmp
Evan Cheng5102bd92008-04-19 02:30:38 +0000[diff] [blame]19}
20
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000[diff] [blame]21define i32 @exchange(i32* %mem, i32 %val) nounwind {
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]22; CHECK-LABEL: exchange:
Eli Friedman4d5532a2011-07-18 21:23:42 +0000[diff] [blame]23; CHECK: lwarx
Eli Friedman6fb0c1e2011-09-26 21:30:17 +0000[diff] [blame]24 %tmp = atomicrmw xchg i32* %mem, i32 1 monotonic
Eli Friedman4d5532a2011-07-18 21:23:42 +0000[diff] [blame]25; CHECK: stwcx.
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000[diff] [blame]26 ret i32 %tmp
Evan Cheng5102bd92008-04-19 02:30:38 +0000[diff] [blame]27}