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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / c23b933d5f8be9b51a1d22e717c0311f65f87dcd / . / test / CodeGen / PowerPC / atomic-1.ll
blob: cbfa4094fb4e3f44d16aa19e6672ae8219c0cc3f [file] [log] [blame]
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]1; RUN: llc < %s -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 {
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]4; CHECK: exchange_and_add:
5; CHECK: lwarx
Eli Friedmande412c32011-09-26 21:30:17 +0000[diff] [blame]6 %tmp = atomicrmw add i32* %mem, i32 %val monotonic
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]7; CHECK: stwcx.
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 {
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]12; CHECK: exchange_and_cmp:
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 {
Eli Friedman3a594f42011-07-18 21:23:42 +0000[diff] [blame]21; CHECK: exchange:
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}