test/Transforms/NaCl/atomic/atomic_others.ll - Issue 857403002: Emit atomic memory order other than seq_cst on demand only

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Issue 857403002: Emit atomic memory order other than seq_cst on demand only (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-llvm.git@master

Patch Set: Add test for -pnacl-memory-order-seq-cst-only=true Created 5 years, 11 months ago

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1 ; RUN: opt -nacl-rewrite-atomics -S < %s \| FileCheck %s	1 ; RUN: opt -nacl-rewrite-atomics -pnacl-memory-order-seq-cst-only=false -S < %s \| FileCheck %s

2 ;	2 ;

3 ; Validate that atomic non-{acquire/release/acq_rel/seq_cst} loads/stores get	3 ; Validate that atomic non-{acquire/release/acq_rel/seq_cst} loads/stores get

4 ; rewritten into NaCl atomic builtins with sequentially consistent memory	4 ; rewritten into NaCl atomic builtins with sequentially consistent memory

5 ; ordering (enum value 6), and that acquire/release/acq_rel remain as-is (enum	5 ; ordering (enum value 6), and that acquire/release/acq_rel remain as-is (enum

6 ; values 3/4/5).	6 ; values 3/4/5).

7 ;	7 ;

8 ; Note that monotonic doesn't exist in C11/C++11, and consume isn't implemented	8 ; Note that monotonic doesn't exist in C11/C++11, and consume isn't implemented

9 ; in LLVM yet.	9 ; in LLVM yet.

10	10

11 target datalayout = "p:32:32:32"	11 target datalayout = "p:32:32:32"

(...skipping 109 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
121 ret { i32, i1 } %res	121 ret { i32, i1 } %res

122 }	122 }

123	123

124 ; CHECK-LABEL: @test_cmpxchg_relaxed_relaxed	124 ; CHECK-LABEL: @test_cmpxchg_relaxed_relaxed

125 define { i32, i1 } @test_cmpxchg_relaxed_relaxed(i32* %ptr, i32 %value) {	125 define { i32, i1 } @test_cmpxchg_relaxed_relaxed(i32* %ptr, i32 %value) {

126 ; Failure ordering is upgraded.	126 ; Failure ordering is upgraded.

127 ; CHECK-NEXT: %res = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 0, i32 %value, i32 6, i32 6)	127 ; CHECK-NEXT: %res = call i32 @llvm.nacl.atomic.cmpxchg.i32(i32* %ptr, i32 0, i32 %value, i32 6, i32 6)

128 %res = cmpxchg i32* %ptr, i32 0, i32 %value monotonic monotonic	128 %res = cmpxchg i32* %ptr, i32 0, i32 %value monotonic monotonic

129 ret { i32, i1 } %res	129 ret { i32, i1 } %res

130 }	130 }

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