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comparison test/Transforms/SROA/alignment.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 60c9769439b8
children 3a76565eade5
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
3 3
4 declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1) 4 declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
5 5
6 define void @test1({ i8, i8 }* %a, { i8, i8 }* %b) { 6 define void @test1({ i8, i8 }* %a, { i8, i8 }* %b) {
7 ; CHECK-LABEL: @test1( 7 ; CHECK-LABEL: @test1(
8 ; CHECK: %[[gep_a0:.*]] = getelementptr inbounds { i8, i8 }* %a, i64 0, i32 0 8 ; CHECK: %[[gep_a0:.*]] = getelementptr inbounds { i8, i8 }, { i8, i8 }* %a, i64 0, i32 0
9 ; CHECK: %[[a0:.*]] = load i8* %[[gep_a0]], align 16 9 ; CHECK: %[[a0:.*]] = load i8, i8* %[[gep_a0]], align 16
10 ; CHECK: %[[gep_a1:.*]] = getelementptr inbounds { i8, i8 }* %a, i64 0, i32 1 10 ; CHECK: %[[gep_a1:.*]] = getelementptr inbounds { i8, i8 }, { i8, i8 }* %a, i64 0, i32 1
11 ; CHECK: %[[a1:.*]] = load i8* %[[gep_a1]], align 1 11 ; CHECK: %[[a1:.*]] = load i8, i8* %[[gep_a1]], align 1
12 ; CHECK: %[[gep_b0:.*]] = getelementptr inbounds { i8, i8 }* %b, i64 0, i32 0 12 ; CHECK: %[[gep_b0:.*]] = getelementptr inbounds { i8, i8 }, { i8, i8 }* %b, i64 0, i32 0
13 ; CHECK: store i8 %[[a0]], i8* %[[gep_b0]], align 16 13 ; CHECK: store i8 %[[a0]], i8* %[[gep_b0]], align 16
14 ; CHECK: %[[gep_b1:.*]] = getelementptr inbounds { i8, i8 }* %b, i64 0, i32 1 14 ; CHECK: %[[gep_b1:.*]] = getelementptr inbounds { i8, i8 }, { i8, i8 }* %b, i64 0, i32 1
15 ; CHECK: store i8 %[[a1]], i8* %[[gep_b1]], align 1 15 ; CHECK: store i8 %[[a1]], i8* %[[gep_b1]], align 1
16 ; CHECK: ret void 16 ; CHECK: ret void
17 17
18 entry: 18 entry:
19 %alloca = alloca { i8, i8 }, align 16 19 %alloca = alloca { i8, i8 }, align 16
20 %gep_a = getelementptr { i8, i8 }* %a, i32 0, i32 0 20 %gep_a = getelementptr { i8, i8 }, { i8, i8 }* %a, i32 0, i32 0
21 %gep_alloca = getelementptr { i8, i8 }* %alloca, i32 0, i32 0 21 %gep_alloca = getelementptr { i8, i8 }, { i8, i8 }* %alloca, i32 0, i32 0
22 %gep_b = getelementptr { i8, i8 }* %b, i32 0, i32 0 22 %gep_b = getelementptr { i8, i8 }, { i8, i8 }* %b, i32 0, i32 0
23 23
24 store i8 420, i8* %gep_alloca, align 16 24 store i8 420, i8* %gep_alloca, align 16
25 25
26 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %gep_alloca, i8* %gep_a, i32 2, i32 16, i1 false) 26 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %gep_alloca, i8* %gep_a, i32 2, i32 16, i1 false)
27 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %gep_b, i8* %gep_alloca, i32 2, i32 16, i1 false) 27 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %gep_b, i8* %gep_alloca, i32 2, i32 16, i1 false)
29 } 29 }
30 30
31 define void @test2() { 31 define void @test2() {
32 ; CHECK-LABEL: @test2( 32 ; CHECK-LABEL: @test2(
33 ; CHECK: alloca i16 33 ; CHECK: alloca i16
34 ; CHECK: load i8* %{{.*}} 34 ; CHECK: load i8, i8* %{{.*}}
35 ; CHECK: store i8 42, i8* %{{.*}} 35 ; CHECK: store i8 42, i8* %{{.*}}
36 ; CHECK: ret void 36 ; CHECK: ret void
37 37
38 entry: 38 entry:
39 %a = alloca { i8, i8, i8, i8 }, align 2 39 %a = alloca { i8, i8, i8, i8 }, align 2
40 %gep1 = getelementptr { i8, i8, i8, i8 }* %a, i32 0, i32 1 40 %gep1 = getelementptr { i8, i8, i8, i8 }, { i8, i8, i8, i8 }* %a, i32 0, i32 1
41 %cast1 = bitcast i8* %gep1 to i16* 41 %cast1 = bitcast i8* %gep1 to i16*
42 store volatile i16 0, i16* %cast1 42 store volatile i16 0, i16* %cast1
43 %gep2 = getelementptr { i8, i8, i8, i8 }* %a, i32 0, i32 2 43 %gep2 = getelementptr { i8, i8, i8, i8 }, { i8, i8, i8, i8 }* %a, i32 0, i32 2
44 %result = load i8* %gep2 44 %result = load i8, i8* %gep2
45 store i8 42, i8* %gep2 45 store i8 42, i8* %gep2
46 ret void 46 ret void
47 } 47 }
48 48
49 define void @PR13920(<2 x i64>* %a, i16* %b) { 49 define void @PR13920(<2 x i64>* %a, i16* %b) {
50 ; Test that alignments on memcpy intrinsics get propagated to loads and stores. 50 ; Test that alignments on memcpy intrinsics get propagated to loads and stores.
51 ; CHECK-LABEL: @PR13920( 51 ; CHECK-LABEL: @PR13920(
52 ; CHECK: load <2 x i64>* %a, align 2 52 ; CHECK: load <2 x i64>, <2 x i64>* %a, align 2
53 ; CHECK: store <2 x i64> {{.*}}, <2 x i64>* {{.*}}, align 2 53 ; CHECK: store <2 x i64> {{.*}}, <2 x i64>* {{.*}}, align 2
54 ; CHECK: ret void 54 ; CHECK: ret void
55 55
56 entry: 56 entry:
57 %aa = alloca <2 x i64>, align 16 57 %aa = alloca <2 x i64>, align 16
77 %a = alloca { i8*, i8*, i8* } 77 %a = alloca { i8*, i8*, i8* }
78 %b = alloca { i8*, i8*, i8* } 78 %b = alloca { i8*, i8*, i8* }
79 %a_raw = bitcast { i8*, i8*, i8* }* %a to i8* 79 %a_raw = bitcast { i8*, i8*, i8* }* %a to i8*
80 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a_raw, i8* %x, i32 22, i32 8, i1 false) 80 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a_raw, i8* %x, i32 22, i32 8, i1 false)
81 %b_raw = bitcast { i8*, i8*, i8* }* %b to i8* 81 %b_raw = bitcast { i8*, i8*, i8* }* %b to i8*
82 %b_gep = getelementptr i8* %b_raw, i32 6 82 %b_gep = getelementptr i8, i8* %b_raw, i32 6
83 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %b_gep, i8* %x, i32 18, i32 2, i1 false) 83 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %b_gep, i8* %x, i32 18, i32 2, i1 false)
84 ret void 84 ret void
85 } 85 }
86 86
87 define void @test5() { 87 define void @test5() {
91 ; 91 ;
92 ; CHECK-LABEL: @test5( 92 ; CHECK-LABEL: @test5(
93 ; CHECK: alloca [9 x i8] 93 ; CHECK: alloca [9 x i8]
94 ; CHECK: alloca [9 x i8] 94 ; CHECK: alloca [9 x i8]
95 ; CHECK: store volatile double 0.0{{.*}}, double* %{{.*}}, align 1 95 ; CHECK: store volatile double 0.0{{.*}}, double* %{{.*}}, align 1
96 ; CHECK: load volatile i16* %{{.*}}, align 1 96 ; CHECK: load volatile i16, i16* %{{.*}}, align 1
97 ; CHECK: load double* %{{.*}}, align 1 97 ; CHECK: load double, double* %{{.*}}, align 1
98 ; CHECK: store volatile double %{{.*}}, double* %{{.*}}, align 1 98 ; CHECK: store volatile double %{{.*}}, double* %{{.*}}, align 1
99 ; CHECK: load volatile i16* %{{.*}}, align 1 99 ; CHECK: load volatile i16, i16* %{{.*}}, align 1
100 ; CHECK: ret void 100 ; CHECK: ret void
101 101
102 entry: 102 entry:
103 %a = alloca [18 x i8] 103 %a = alloca [18 x i8]
104 %raw1 = getelementptr inbounds [18 x i8]* %a, i32 0, i32 0 104 %raw1 = getelementptr inbounds [18 x i8], [18 x i8]* %a, i32 0, i32 0
105 %ptr1 = bitcast i8* %raw1 to double* 105 %ptr1 = bitcast i8* %raw1 to double*
106 store volatile double 0.0, double* %ptr1, align 1 106 store volatile double 0.0, double* %ptr1, align 1
107 %weird_gep1 = getelementptr inbounds [18 x i8]* %a, i32 0, i32 7 107 %weird_gep1 = getelementptr inbounds [18 x i8], [18 x i8]* %a, i32 0, i32 7
108 %weird_cast1 = bitcast i8* %weird_gep1 to i16* 108 %weird_cast1 = bitcast i8* %weird_gep1 to i16*
109 %weird_load1 = load volatile i16* %weird_cast1, align 1 109 %weird_load1 = load volatile i16, i16* %weird_cast1, align 1
110 110
111 %raw2 = getelementptr inbounds [18 x i8]* %a, i32 0, i32 9 111 %raw2 = getelementptr inbounds [18 x i8], [18 x i8]* %a, i32 0, i32 9
112 %ptr2 = bitcast i8* %raw2 to double* 112 %ptr2 = bitcast i8* %raw2 to double*
113 %d1 = load double* %ptr1, align 1 113 %d1 = load double, double* %ptr1, align 1
114 store volatile double %d1, double* %ptr2, align 1 114 store volatile double %d1, double* %ptr2, align 1
115 %weird_gep2 = getelementptr inbounds [18 x i8]* %a, i32 0, i32 16 115 %weird_gep2 = getelementptr inbounds [18 x i8], [18 x i8]* %a, i32 0, i32 16
116 %weird_cast2 = bitcast i8* %weird_gep2 to i16* 116 %weird_cast2 = bitcast i8* %weird_gep2 to i16*
117 %weird_load2 = load volatile i16* %weird_cast2, align 1 117 %weird_load2 = load volatile i16, i16* %weird_cast2, align 1
118 118
119 ret void 119 ret void
120 } 120 }
121 121
122 define void @test6() { 122 define void @test6() {
128 ; CHECK-NOT: align 128 ; CHECK-NOT: align
129 ; CHECK: ret void 129 ; CHECK: ret void
130 130
131 entry: 131 entry:
132 %a = alloca [16 x i8] 132 %a = alloca [16 x i8]
133 %raw1 = getelementptr inbounds [16 x i8]* %a, i32 0, i32 0 133 %raw1 = getelementptr inbounds [16 x i8], [16 x i8]* %a, i32 0, i32 0
134 %ptr1 = bitcast i8* %raw1 to double* 134 %ptr1 = bitcast i8* %raw1 to double*
135 store volatile double 0.0, double* %ptr1, align 1 135 store volatile double 0.0, double* %ptr1, align 1
136 136
137 %raw2 = getelementptr inbounds [16 x i8]* %a, i32 0, i32 8 137 %raw2 = getelementptr inbounds [16 x i8], [16 x i8]* %a, i32 0, i32 8
138 %ptr2 = bitcast i8* %raw2 to double* 138 %ptr2 = bitcast i8* %raw2 to double*
139 %val = load double* %ptr1, align 1 139 %val = load double, double* %ptr1, align 1
140 store volatile double %val, double* %ptr2, align 1 140 store volatile double %val, double* %ptr2, align 1
141 141
142 ret void 142 ret void
143 } 143 }
144 144
148 ; CHECK-LABEL: @test7( 148 ; CHECK-LABEL: @test7(
149 ; CHECK-NOT: alloca 149 ; CHECK-NOT: alloca
150 150
151 entry: 151 entry:
152 %a = alloca [16 x i8] 152 %a = alloca [16 x i8]
153 %raw1 = getelementptr inbounds [16 x i8]* %a, i32 0, i32 0 153 %raw1 = getelementptr inbounds [16 x i8], [16 x i8]* %a, i32 0, i32 0
154 %ptr1 = bitcast i8* %raw1 to double* 154 %ptr1 = bitcast i8* %raw1 to double*
155 %raw2 = getelementptr inbounds [16 x i8]* %a, i32 0, i32 8 155 %raw2 = getelementptr inbounds [16 x i8], [16 x i8]* %a, i32 0, i32 8
156 %ptr2 = bitcast i8* %raw2 to double* 156 %ptr2 = bitcast i8* %raw2 to double*
157 157
158 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %raw1, i8* %out, i32 16, i32 0, i1 false) 158 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %raw1, i8* %out, i32 16, i32 0, i1 false)
159 ; CHECK: %[[val2:.*]] = load double* %{{.*}}, align 1 159 ; CHECK: %[[val2:.*]] = load double, double* %{{.*}}, align 1
160 ; CHECK: %[[val1:.*]] = load double* %{{.*}}, align 1 160 ; CHECK: %[[val1:.*]] = load double, double* %{{.*}}, align 1
161 161
162 %val1 = load double* %ptr2, align 1 162 %val1 = load double, double* %ptr2, align 1
163 %val2 = load double* %ptr1, align 1 163 %val2 = load double, double* %ptr1, align 1
164 164
165 store double %val1, double* %ptr1, align 1 165 store double %val1, double* %ptr1, align 1
166 store double %val2, double* %ptr2, align 1 166 store double %val2, double* %ptr2, align 1
167 167
168 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %out, i8* %raw1, i32 16, i32 0, i1 false) 168 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %out, i8* %raw1, i32 16, i32 0, i1 false)