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Side by Side Diff: test/Transforms/NaCl/remove-asm-memory.ll

Issue 1151093004: Changes from 3.7 merge to files not in upstream (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-llvm.git@master
Patch Set: Created 5 years, 7 months ago
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« test/Transforms/NaCl/internalize-used-globals.ll ('K') | « test/Transforms/NaCl/promote-integers.ll ('k') | test/Transforms/NaCl/replace-ptrs-with-ints.ll » ('j') | test/Transforms/NaCl/replace-ptrs-with-ints.ll » ('J')
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1 ; RUN: opt < %s -nacl-rewrite-atomics -remove-asm-memory -S | \ 1 ; RUN: opt < %s -nacl-rewrite-atomics -remove-asm-memory -S | \
2 ; RUN: FileCheck %s 2 ; RUN: FileCheck %s
3 ; RUN: opt < %s -O3 -nacl-rewrite-atomics -remove-asm-memory -S | \ 3 ; RUN: opt < %s -O3 -nacl-rewrite-atomics -remove-asm-memory -S | \
4 ; RUN: FileCheck %s 4 ; RUN: FileCheck %s
5 ; RUN: opt < %s -O3 -nacl-rewrite-atomics -remove-asm-memory -S | \ 5 ; RUN: opt < %s -O3 -nacl-rewrite-atomics -remove-asm-memory -S | \
6 ; RUN: FileCheck %s -check-prefix=ELIM 6 ; RUN: FileCheck %s -check-prefix=ELIM
7 ; RUN: opt < %s -nacl-rewrite-atomics -remove-asm-memory -S | \ 7 ; RUN: opt < %s -nacl-rewrite-atomics -remove-asm-memory -S | \
8 ; RUN: FileCheck %s -check-prefix=CLEANED 8 ; RUN: FileCheck %s -check-prefix=CLEANED
9 9
10 ; ``asm("":::"memory")`` is used as a compiler barrier and the GCC-style 10 ; ``asm("":::"memory")`` is used as a compiler barrier and the GCC-style
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32 call void asm sideeffect "", "~{memory}"() 32 call void asm sideeffect "", "~{memory}"()
33 call void asm sideeffect "", "~{memory},~{dirflag},~{fpsr},~{flags}"() 33 call void asm sideeffect "", "~{memory},~{dirflag},~{fpsr},~{flags}"()
34 call void asm sideeffect "", "~{foo},~{memory},~{bar}"() 34 call void asm sideeffect "", "~{foo},~{memory},~{bar}"()
35 35
36 ret void 36 ret void
37 ; CHECK-NEXT: ret void 37 ; CHECK-NEXT: ret void
38 } 38 }
39 39
40 define void @memory_assembly_ordering_test() { 40 define void @memory_assembly_ordering_test() {
41 ; CHECK: @memory_assembly_ordering_test() 41 ; CHECK: @memory_assembly_ordering_test()
42 %1 = load i32* @a, align 4 42 %1 = load i32, i32* @a, align 4
43 store i32 %1, i32* @b, align 4 43 store i32 %1, i32* @b, align 4
44 call void asm sideeffect "", "~{memory}"() 44 call void asm sideeffect "", "~{memory}"()
45 fence seq_cst 45 fence seq_cst
46 call void asm sideeffect "", "~{memory}"() 46 call void asm sideeffect "", "~{memory}"()
47 ; CHECK-NEXT: %1 = load i32* @a, align 4 47 ; CHECK-NEXT: %1 = load i32, i32* @a, align 4
48 ; CHECK-NEXT: store i32 %1, i32* @b, align 4 48 ; CHECK-NEXT: store i32 %1, i32* @b, align 4
49 ; CHECK-NEXT: call void @llvm.nacl.atomic.fence.all() 49 ; CHECK-NEXT: call void @llvm.nacl.atomic.fence.all()
50 50
51 ; Redundant load from the previous location, and store to the same 51 ; Redundant load from the previous location, and store to the same
52 ; location (making the previous one dead). Shouldn't get eliminated 52 ; location (making the previous one dead). Shouldn't get eliminated
53 ; because of the fence. 53 ; because of the fence.
54 %2 = load i32* @a, align 4 54 %2 = load i32, i32* @a, align 4
55 store i32 %2, i32* @b, align 4 55 store i32 %2, i32* @b, align 4
56 call void asm sideeffect "", "~{memory}"() 56 call void asm sideeffect "", "~{memory}"()
57 fence seq_cst 57 fence seq_cst
58 call void asm sideeffect "", "~{memory}"() 58 call void asm sideeffect "", "~{memory}"()
59 ; CHECK-NEXT: %2 = load i32* @a, align 4 59 ; CHECK-NEXT: %2 = load i32, i32* @a, align 4
60 ; CHECK-NEXT: store i32 %2, i32* @b, align 4 60 ; CHECK-NEXT: store i32 %2, i32* @b, align 4
61 ; CHECK-NEXT: call void @llvm.nacl.atomic.fence.all() 61 ; CHECK-NEXT: call void @llvm.nacl.atomic.fence.all()
62 62
63 ; Same here. 63 ; Same here.
64 %3 = load i32* @a, align 4 64 %3 = load i32, i32* @a, align 4
65 store i32 %3, i32* @b, align 4 65 store i32 %3, i32* @b, align 4
66 ; CHECK-NEXT: %3 = load i32* @a, align 4 66 ; CHECK-NEXT: %3 = load i32, i32* @a, align 4
67 ; CHECK-NEXT: store i32 %3, i32* @b, align 4 67 ; CHECK-NEXT: store i32 %3, i32* @b, align 4
68 68
69 ret void 69 ret void
70 ; CHECK-NEXT: ret void 70 ; CHECK-NEXT: ret void
71 } 71 }
72 72
73 ; Same function as above, but without the barriers. At O3 some loads and 73 ; Same function as above, but without the barriers. At O3 some loads and
74 ; stores should get eliminated. 74 ; stores should get eliminated.
75 define void @memory_ordering_test() { 75 define void @memory_ordering_test() {
76 ; ELIM: @memory_ordering_test() 76 ; ELIM: @memory_ordering_test()
77 %1 = load i32* @a, align 4 77 %1 = load i32, i32* @a, align 4
78 store i32 %1, i32* @b, align 4 78 store i32 %1, i32* @b, align 4
79 %2 = load i32* @a, align 4 79 %2 = load i32, i32* @a, align 4
80 store i32 %2, i32* @b, align 4 80 store i32 %2, i32* @b, align 4
81 %3 = load i32* @a, align 4 81 %3 = load i32, i32* @a, align 4
82 store i32 %3, i32* @b, align 4 82 store i32 %3, i32* @b, align 4
83 ; ELIM-NEXT: %1 = load i32* @a, align 4 83 ; ELIM-NEXT: %1 = load i32, i32* @a, align 4
84 ; ELIM-NEXT: store i32 %1, i32* @b, align 4 84 ; ELIM-NEXT: store i32 %1, i32* @b, align 4
85 85
86 ret void 86 ret void
87 ; ELIM-NEXT: ret void 87 ; ELIM-NEXT: ret void
88 } 88 }
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« test/Transforms/NaCl/internalize-used-globals.ll ('K') | « test/Transforms/NaCl/promote-integers.ll ('k') | test/Transforms/NaCl/replace-ptrs-with-ints.ll » ('j') | test/Transforms/NaCl/replace-ptrs-with-ints.ll » ('J')

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