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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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1 ; RUN: opt %s -expand-getelementptr -replace-ptrs-with-ints \ 1 ; RUN: opt %s -expand-getelementptr -replace-ptrs-with-ints \
2 ; RUN: -minsfi-sandbox-memory-accesses -S \ 2 ; RUN: -minsfi-sandbox-memory-accesses -S \
3 ; RUN: | FileCheck %s -check-prefix=CHECK-GEP 3 ; RUN: | FileCheck %s -check-prefix=CHECK-GEP
4 ; RUN: opt %s -expand-getelementptr -replace-ptrs-with-ints \ 4 ; RUN: opt %s -expand-getelementptr -replace-ptrs-with-ints \
5 ; RUN: -minsfi-sandbox-memory-accesses -minsfi-ptrsize=20 -S \ 5 ; RUN: -minsfi-sandbox-memory-accesses -minsfi-ptrsize=20 -S \
6 ; RUN: | FileCheck %s -check-prefix=CHECK-GEP-MASK 6 ; RUN: | FileCheck %s -check-prefix=CHECK-GEP-MASK
7 ; RUN: opt %s -expand-getelementptr -minsfi-sandbox-memory-accesses \ 7 ; RUN: opt %s -expand-getelementptr -minsfi-sandbox-memory-accesses \
8 ; RUN: -minsfi-ptrsize=20 -S \ 8 ; RUN: -minsfi-ptrsize=20 -S \
9 ; RUN: | FileCheck %s 9 ; RUN: | FileCheck %s
10 10
11 target datalayout = "p:32:32:32" 11 target datalayout = "p:32:32:32"
12 target triple = "le32-unknown-nacl" 12 target triple = "le32-unknown-nacl"
13 13
14 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i 32, i32, i1) 14 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i 32, i32, i1)
15 declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) 15 declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1)
16 declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) 16 declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1)
17 17
18 ; This test verifies that the pass recognizes the pointer arithmetic pattern 18 ; This test verifies that the pass recognizes the pointer arithmetic pattern
19 ; produced by the ExpandGetElementPtr pass and that it emits a more efficient 19 ; produced by the ExpandGetElementPtr pass and that it emits a more efficient
20 ; address sandboxing than in the general case. 20 ; address sandboxing than in the general case.
21 21
22 define i32 @test_load_elementptr([100 x i32]* %foo) { 22 define i32 @test_load_elementptr([100 x i32]* %foo) {
23 %elem = getelementptr inbounds [100 x i32]* %foo, i32 0, i32 97 23 %elem = getelementptr inbounds [100 x i32], [100 x i32]* %foo, i32 0, i32 97
24 %val = load i32* %elem 24 %val = load i32, i32* %elem
25 ret i32 %val 25 ret i32 %val
26 } 26 }
27 27
28 ; CHECK-GEP-LABEL: define i32 @test_load_elementptr(i32 %foo) { 28 ; CHECK-GEP-LABEL: define i32 @test_load_elementptr(i32 %foo) {
29 ; CHECK-GEP-NEXT: %mem_base = load i64* @__sfi_memory_base 29 ; CHECK-GEP-NEXT: %mem_base = load i64, i64* @__sfi_memory_base
30 ; CHECK-GEP-NEXT: %1 = zext i32 %foo to i64 30 ; CHECK-GEP-NEXT: %1 = zext i32 %foo to i64
31 ; CHECK-GEP-NEXT: %2 = add i64 %mem_base, %1 31 ; CHECK-GEP-NEXT: %2 = add i64 %mem_base, %1
32 ; CHECK-GEP-NEXT: %3 = add i64 %2, 388 32 ; CHECK-GEP-NEXT: %3 = add i64 %2, 388
33 ; CHECK-GEP-NEXT: %4 = inttoptr i64 %3 to i32* 33 ; CHECK-GEP-NEXT: %4 = inttoptr i64 %3 to i32*
34 ; CHECK-GEP-NEXT: %val = load i32* %4 34 ; CHECK-GEP-NEXT: %val = load i32, i32* %4
35 ; CHECK-GEP-NEXT: ret i32 %val 35 ; CHECK-GEP-NEXT: ret i32 %val
36 ; CHECK-GEP-NEXT: } 36 ; CHECK-GEP-NEXT: }
37 37
38 ; CHECK-GEP-MASK-LABEL: define i32 @test_load_elementptr(i32 %foo) { 38 ; CHECK-GEP-MASK-LABEL: define i32 @test_load_elementptr(i32 %foo) {
39 ; CHECK-GEP-MASK-NEXT: %mem_base = load i64* @__sfi_memory_base 39 ; CHECK-GEP-MASK-NEXT: %mem_base = load i64, i64* @__sfi_memory_base
40 ; CHECK-GEP-MASK-NEXT: %1 = and i32 %foo, 1048575 40 ; CHECK-GEP-MASK-NEXT: %1 = and i32 %foo, 1048575
41 ; CHECK-GEP-MASK-NEXT: %2 = zext i32 %1 to i64 41 ; CHECK-GEP-MASK-NEXT: %2 = zext i32 %1 to i64
42 ; CHECK-GEP-MASK-NEXT: %3 = add i64 %mem_base, %2 42 ; CHECK-GEP-MASK-NEXT: %3 = add i64 %mem_base, %2
43 ; CHECK-GEP-MASK-NEXT: %4 = add i64 %3, 388 43 ; CHECK-GEP-MASK-NEXT: %4 = add i64 %3, 388
44 ; CHECK-GEP-MASK-NEXT: %5 = inttoptr i64 %4 to i32* 44 ; CHECK-GEP-MASK-NEXT: %5 = inttoptr i64 %4 to i32*
45 ; CHECK-GEP-MASK-NEXT: %val = load i32* %5 45 ; CHECK-GEP-MASK-NEXT: %val = load i32, i32* %5
46 ; CHECK-GEP-MASK-NEXT: ret i32 %val 46 ; CHECK-GEP-MASK-NEXT: ret i32 %val
47 ; CHECK-GEP-MASK-NEXT: } 47 ; CHECK-GEP-MASK-NEXT: }
48 48
49 define <4 x float> @test_max_offset(i32 %x) { 49 define <4 x float> @test_max_offset(i32 %x) {
50 %1 = add i32 %x, 1048560 ; 1MB - 16B 50 %1 = add i32 %x, 1048560 ; 1MB - 16B
51 %ptr = inttoptr i32 %1 to <4 x float>* 51 %ptr = inttoptr i32 %1 to <4 x float>*
52 %val = load <4 x float>* %ptr 52 %val = load <4 x float>, <4 x float>* %ptr
53 ret <4 x float> %val 53 ret <4 x float> %val
54 } 54 }
55 55
56 ; CHECK-LABEL: define <4 x float> @test_max_offset(i32 %x) { 56 ; CHECK-LABEL: define <4 x float> @test_max_offset(i32 %x) {
57 ; CHECK-NEXT: %mem_base = load i64* @__sfi_memory_base 57 ; CHECK-NEXT: %mem_base = load i64, i64* @__sfi_memory_base
58 ; CHECK-NEXT: %1 = and i32 %x, 1048575 58 ; CHECK-NEXT: %1 = and i32 %x, 1048575
59 ; CHECK-NEXT: %2 = zext i32 %1 to i64 59 ; CHECK-NEXT: %2 = zext i32 %1 to i64
60 ; CHECK-NEXT: %3 = add i64 %mem_base, %2 60 ; CHECK-NEXT: %3 = add i64 %mem_base, %2
61 ; CHECK-NEXT: %4 = add i64 %3, 1048560 61 ; CHECK-NEXT: %4 = add i64 %3, 1048560
62 ; CHECK-NEXT: %5 = inttoptr i64 %4 to <4 x float>* 62 ; CHECK-NEXT: %5 = inttoptr i64 %4 to <4 x float>*
63 ; CHECK-NEXT: %val = load <4 x float>* %5 63 ; CHECK-NEXT: %val = load <4 x float>, <4 x float>* %5
64 ; CHECK-NEXT: ret <4 x float> %val 64 ; CHECK-NEXT: ret <4 x float> %val
65 ; CHECK-NEXT: } 65 ; CHECK-NEXT: }
66 66
67 ; This will not get optimized as it could access memory past the guard region. 67 ; This will not get optimized as it could access memory past the guard region.
68 define <4 x float> @test_offset_overflow(i32 %x) { 68 define <4 x float> @test_offset_overflow(i32 %x) {
69 %1 = add i32 %x, 1048561 69 %1 = add i32 %x, 1048561
70 %ptr = inttoptr i32 %1 to <4 x float>* 70 %ptr = inttoptr i32 %1 to <4 x float>*
71 %val = load <4 x float>* %ptr 71 %val = load <4 x float>, <4 x float>* %ptr
72 ret <4 x float> %val 72 ret <4 x float> %val
73 } 73 }
74 74
75 ; CHECK-LABEL: define <4 x float> @test_offset_overflow(i32 %x) { 75 ; CHECK-LABEL: define <4 x float> @test_offset_overflow(i32 %x) {
76 ; CHECK-NEXT: %mem_base = load i64* @__sfi_memory_base 76 ; CHECK-NEXT: %mem_base = load i64, i64* @__sfi_memory_base
77 ; CHECK-NEXT: %1 = add i32 %x, 1048561 77 ; CHECK-NEXT: %1 = add i32 %x, 1048561
78 ; CHECK-NEXT: %ptr = inttoptr i32 %1 to <4 x float>* 78 ; CHECK-NEXT: %ptr = inttoptr i32 %1 to <4 x float>*
79 ; CHECK-NEXT: %2 = ptrtoint <4 x float>* %ptr to i32 79 ; CHECK-NEXT: %2 = ptrtoint <4 x float>* %ptr to i32
80 ; CHECK-NEXT: %3 = and i32 %2, 1048575 80 ; CHECK-NEXT: %3 = and i32 %2, 1048575
81 ; CHECK-NEXT: %4 = zext i32 %3 to i64 81 ; CHECK-NEXT: %4 = zext i32 %3 to i64
82 ; CHECK-NEXT: %5 = add i64 %mem_base, %4 82 ; CHECK-NEXT: %5 = add i64 %mem_base, %4
83 ; CHECK-NEXT: %6 = inttoptr i64 %5 to <4 x float>* 83 ; CHECK-NEXT: %6 = inttoptr i64 %5 to <4 x float>*
84 ; CHECK-NEXT: %val = load <4 x float>* %6 84 ; CHECK-NEXT: %val = load <4 x float>, <4 x float>* %6
85 ; CHECK-NEXT: ret <4 x float> %val 85 ; CHECK-NEXT: ret <4 x float> %val
86 ; CHECK-NEXT: } 86 ; CHECK-NEXT: }
87 87
88 define void @test_not_applied_on_memcpy(i32 %x) { 88 define void @test_not_applied_on_memcpy(i32 %x) {
89 %1 = add i32 %x, 1024 89 %1 = add i32 %x, 1024
90 %ptr = inttoptr i32 %1 to i8* 90 %ptr = inttoptr i32 %1 to i8*
91 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr, i8* %ptr, i32 2048, i32 4, i1 f alse); 91 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr, i8* %ptr, i32 2048, i32 4, i1 f alse);
92 ret void 92 ret void
93 } 93 }
94 94
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
132 ret void 132 ret void
133 } 133 }
134 134
135 ; CHECK-LABEL: define void @test_not_applied_on_memset(i32 %x) { 135 ; CHECK-LABEL: define void @test_not_applied_on_memset(i32 %x) {
136 ; CHECK: [[IPTR:%[0-9]+]] = ptrtoint i8* %ptr to i32 136 ; CHECK: [[IPTR:%[0-9]+]] = ptrtoint i8* %ptr to i32
137 ; CHECK-NEXT: [[AND:%[0-9]+]] = and i32 [[IPTR]], 1048575 137 ; CHECK-NEXT: [[AND:%[0-9]+]] = and i32 [[IPTR]], 1048575
138 ; CHECK-NEXT: [[ZEXT:%[0-9]+]] = zext i32 [[AND]] to i64 138 ; CHECK-NEXT: [[ZEXT:%[0-9]+]] = zext i32 [[AND]] to i64
139 ; CHECK-NEXT: [[BASE:%[0-9]+]] = add i64 %mem_base, [[ZEXT]] 139 ; CHECK-NEXT: [[BASE:%[0-9]+]] = add i64 %mem_base, [[ZEXT]]
140 ; CHECK-NEXT: inttoptr i64 [[BASE]] to i8* 140 ; CHECK-NEXT: inttoptr i64 [[BASE]] to i8*
141 ; CHECK: call void @llvm.memset.p0i8.i32 141 ; CHECK: call void @llvm.memset.p0i8.i32
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