1 ; RUN: opt -S -lowerbitsets < %s | FileCheck %s
2 ; RUN: opt -S -lowerbitsets -mtriple=x86_64-apple-macosx10.8.0 < %s | FileCheck -check-prefix=CHECK-DARWIN %s
3 ; RUN: opt -S -O3 < %s | FileCheck -check-prefix=CHECK-NODISCARD %s
5 target datalayout = "e-p:32:32"
7 ; CHECK: [[G:@[^ ]*]] = private constant { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] } { i32 1, [0 x i8] zeroinitializer, [63 x i32] zeroinitializer, [4 x i8] zeroinitializer, i32 3, [0 x i8] zeroinitializer, [2 x i32] [i32 4, i32 5] }
9 @b = hidden constant [63 x i32] zeroinitializer
10 @c = protected constant i32 3
11 @d = constant [2 x i32] [i32 4, i32 5]
13 ; CHECK: [[BA:@[^ ]*]] = private constant [68 x i8] c"\03\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\02\00\01"
15 ; Offset 0, 4 byte alignment
16 !0 = !{!"bitset1", i32* @a, i32 0}
17 ; CHECK-NODISCARD-DAG: !{!"bitset1", i32* @a, i32 0}
18 !1 = !{!"bitset1", [63 x i32]* @b, i32 0}
19 ; CHECK-NODISCARD-DAG: !{!"bitset1", [63 x i32]* @b, i32 0}
20 !2 = !{!"bitset1", [2 x i32]* @d, i32 4}
21 ; CHECK-NODISCARD-DAG: !{!"bitset1", [2 x i32]* @d, i32 4}
23 ; Offset 4, 256 byte alignment
24 !3 = !{!"bitset2", [63 x i32]* @b, i32 0}
25 ; CHECK-NODISCARD-DAG: !{!"bitset2", [63 x i32]* @b, i32 0}
26 !4 = !{!"bitset2", i32* @c, i32 0}
27 ; CHECK-NODISCARD-DAG: !{!"bitset2", i32* @c, i32 0}
29 ; Entries whose second operand is null (the result of a global being DCE'd)
31 !5 = !{!"bitset2", null, i32 0}
33 ; Offset 0, 4 byte alignment
34 !6 = !{!"bitset3", i32* @a, i32 0}
35 ; CHECK-NODISCARD-DAG: !{!"bitset3", i32* @a, i32 0}
36 !7 = !{!"bitset3", i32* @c, i32 0}
37 ; CHECK-NODISCARD-DAG: !{!"bitset3", i32* @c, i32 0}
39 !llvm.bitsets = !{ !0, !1, !2, !3, !4, !5, !6, !7 }
41 ; CHECK: @bits_use{{[0-9]*}} = private alias i8, i8* @bits{{[0-9]*}}
42 ; CHECK: @bits_use.{{[0-9]*}} = private alias i8, i8* @bits{{[0-9]*}}
43 ; CHECK: @bits_use.{{[0-9]*}} = private alias i8, i8* @bits{{[0-9]*}}
45 ; CHECK: @a = alias i32, getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 0)
46 ; CHECK: @b = hidden alias [63 x i32], getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 2)
47 ; CHECK: @c = protected alias i32, getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 4)
48 ; CHECK: @d = alias [2 x i32], getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 6)
50 ; CHECK-DARWIN: @aptr = constant i32* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G:@[^ ]*]], i32 0, i32 0)
51 @aptr = constant i32* @a
53 ; CHECK-DARWIN: @bptr = constant [63 x i32]* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 2)
54 @bptr = constant [63 x i32]* @b
56 ; CHECK-DARWIN: @cptr = constant i32* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 4)
57 @cptr = constant i32* @c
59 ; CHECK-DARWIN: @dptr = constant [2 x i32]* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 6)
60 @dptr = constant [2 x i32]* @d
62 ; CHECK-DARWIN: [[G]] = private constant
64 ; CHECK: @bits{{[0-9]*}} = private alias i8, getelementptr inbounds ([68 x i8], [68 x i8]* [[BA]], i32 0, i32 0)
65 ; CHECK: @bits.{{[0-9]*}} = private alias i8, getelementptr inbounds ([68 x i8], [68 x i8]* [[BA]], i32 0, i32 0)
67 declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone
69 ; CHECK: @foo(i32* [[A0:%[^ ]*]])
70 define i1 @foo(i32* %p) {
71 ; CHECK-NOT: llvm.bitset.test
73 ; CHECK: [[R0:%[^ ]*]] = bitcast i32* [[A0]] to i8*
74 %pi8 = bitcast i32* %p to i8*
75 ; CHECK: [[R1:%[^ ]*]] = ptrtoint i8* [[R0]] to i32
76 ; CHECK: [[R2:%[^ ]*]] = sub i32 [[R1]], ptrtoint ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]] to i32)
77 ; CHECK: [[R3:%[^ ]*]] = lshr i32 [[R2]], 2
78 ; CHECK: [[R4:%[^ ]*]] = shl i32 [[R2]], 30
79 ; CHECK: [[R5:%[^ ]*]] = or i32 [[R3]], [[R4]]
80 ; CHECK: [[R6:%[^ ]*]] = icmp ult i32 [[R5]], 68
83 ; CHECK: [[R8:%[^ ]*]] = getelementptr i8, i8* @bits_use.{{[0-9]*}}, i32 [[R5]]
84 ; CHECK: [[R9:%[^ ]*]] = load i8, i8* [[R8]]
85 ; CHECK: [[R10:%[^ ]*]] = and i8 [[R9]], 1
86 ; CHECK: [[R11:%[^ ]*]] = icmp ne i8 [[R10]], 0
88 ; CHECK: [[R16:%[^ ]*]] = phi i1 [ false, {{%[^ ]*}} ], [ [[R11]], {{%[^ ]*}} ]
89 %x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset1")
91 ; CHECK-NOT: llvm.bitset.test
92 %y = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset1")
94 ; CHECK: ret i1 [[R16]]
98 ; CHECK: @bar(i32* [[B0:%[^ ]*]])
99 define i1 @bar(i32* %p) {
100 ; CHECK: [[S0:%[^ ]*]] = bitcast i32* [[B0]] to i8*
101 %pi8 = bitcast i32* %p to i8*
102 ; CHECK: [[S1:%[^ ]*]] = ptrtoint i8* [[S0]] to i32
103 ; CHECK: [[S2:%[^ ]*]] = sub i32 [[S1]], add (i32 ptrtoint ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]] to i32), i32 4)
104 ; CHECK: [[S3:%[^ ]*]] = lshr i32 [[S2]], 8
105 ; CHECK: [[S4:%[^ ]*]] = shl i32 [[S2]], 24
106 ; CHECK: [[S5:%[^ ]*]] = or i32 [[S3]], [[S4]]
107 ; CHECK: [[S6:%[^ ]*]] = icmp ult i32 [[S5]], 2
108 %x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset2")
110 ; CHECK: ret i1 [[S6]]
114 ; CHECK: @baz(i32* [[C0:%[^ ]*]])
115 define i1 @baz(i32* %p) {
116 ; CHECK: [[T0:%[^ ]*]] = bitcast i32* [[C0]] to i8*
117 %pi8 = bitcast i32* %p to i8*
118 ; CHECK: [[T1:%[^ ]*]] = ptrtoint i8* [[T0]] to i32
119 ; CHECK: [[T2:%[^ ]*]] = sub i32 [[T1]], ptrtoint ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]] to i32)
120 ; CHECK: [[T3:%[^ ]*]] = lshr i32 [[T2]], 2
121 ; CHECK: [[T4:%[^ ]*]] = shl i32 [[T2]], 30
122 ; CHECK: [[T5:%[^ ]*]] = or i32 [[T3]], [[T4]]
123 ; CHECK: [[T6:%[^ ]*]] = icmp ult i32 [[T5]], 66
124 ; CHECK: br i1 [[T6]]
126 ; CHECK: [[T8:%[^ ]*]] = getelementptr i8, i8* @bits_use.{{[0-9]*}}, i32 [[T5]]
127 ; CHECK: [[T9:%[^ ]*]] = load i8, i8* [[T8]]
128 ; CHECK: [[T10:%[^ ]*]] = and i8 [[T9]], 2
129 ; CHECK: [[T11:%[^ ]*]] = icmp ne i8 [[T10]], 0
131 ; CHECK: [[T16:%[^ ]*]] = phi i1 [ false, {{%[^ ]*}} ], [ [[T11]], {{%[^ ]*}} ]
132 %x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset3")
133 ; CHECK: ret i1 [[T16]]
137 ; CHECK-NOT: !llvm.bitsets