forked from OSchip/llvm-project
138 lines
6.7 KiB
LLVM
138 lines
6.7 KiB
LLVM
; RUN: opt -S -lowerbitsets < %s | FileCheck %s
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; RUN: opt -S -lowerbitsets -mtriple=x86_64-apple-macosx10.8.0 < %s | FileCheck -check-prefix=CHECK-DARWIN %s
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; RUN: opt -S -O3 < %s | FileCheck -check-prefix=CHECK-NODISCARD %s
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target datalayout = "e-p:32:32"
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; 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] }
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@a = constant i32 1
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@b = constant [63 x i32] zeroinitializer
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@c = constant i32 3
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@d = constant [2 x i32] [i32 4, i32 5]
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; 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"
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; Offset 0, 4 byte alignment
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!0 = !{!"bitset1", i32* @a, i32 0}
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; CHECK-NODISCARD-DAG: !{!"bitset1", i32* @a, i32 0}
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!1 = !{!"bitset1", [63 x i32]* @b, i32 0}
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; CHECK-NODISCARD-DAG: !{!"bitset1", [63 x i32]* @b, i32 0}
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!2 = !{!"bitset1", [2 x i32]* @d, i32 4}
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; CHECK-NODISCARD-DAG: !{!"bitset1", [2 x i32]* @d, i32 4}
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; Offset 4, 256 byte alignment
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!3 = !{!"bitset2", [63 x i32]* @b, i32 0}
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; CHECK-NODISCARD-DAG: !{!"bitset2", [63 x i32]* @b, i32 0}
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!4 = !{!"bitset2", i32* @c, i32 0}
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; CHECK-NODISCARD-DAG: !{!"bitset2", i32* @c, i32 0}
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; Offset 0, 4 byte alignment
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!5 = !{!"bitset3", i32* @a, i32 0}
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; CHECK-NODISCARD-DAG: !{!"bitset3", i32* @a, i32 0}
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!6 = !{!"bitset3", i32* @c, i32 0}
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; CHECK-NODISCARD-DAG: !{!"bitset3", i32* @c, i32 0}
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; Entries whose second operand is null (the result of a global being DCE'd)
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; should be ignored.
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!7 = !{!"bitset2", null, i32 0}
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!llvm.bitsets = !{ !0, !1, !2, !3, !4, !5, !6, !7 }
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; CHECK: @bits_use{{[0-9]*}} = private alias i8* @bits{{[0-9]*}}
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; CHECK: @bits_use.{{[0-9]*}} = private alias i8* @bits{{[0-9]*}}
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; CHECK: @bits_use.{{[0-9]*}} = private alias i8* @bits{{[0-9]*}}
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; CHECK: @a = alias 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)
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; CHECK: @b = alias 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)
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; CHECK: @c = alias 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)
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; CHECK: @d = alias 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)
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; 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)
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@aptr = constant i32* @a
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; 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)
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@bptr = constant [63 x i32]* @b
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; 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)
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@cptr = constant i32* @c
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; 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)
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@dptr = constant [2 x i32]* @d
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; CHECK-DARWIN: [[G]] = private constant
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; CHECK: @bits{{[0-9]*}} = private alias getelementptr inbounds ([68 x i8], [68 x i8]* [[BA]], i32 0, i32 0)
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; CHECK: @bits.{{[0-9]*}} = private alias getelementptr inbounds ([68 x i8], [68 x i8]* [[BA]], i32 0, i32 0)
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declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone
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; CHECK: @foo(i32* [[A0:%[^ ]*]])
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define i1 @foo(i32* %p) {
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; CHECK-NOT: llvm.bitset.test
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; CHECK: [[R0:%[^ ]*]] = bitcast i32* [[A0]] to i8*
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%pi8 = bitcast i32* %p to i8*
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; CHECK: [[R1:%[^ ]*]] = ptrtoint i8* [[R0]] to i32
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; 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)
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; CHECK: [[R3:%[^ ]*]] = lshr i32 [[R2]], 2
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; CHECK: [[R4:%[^ ]*]] = shl i32 [[R2]], 30
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; CHECK: [[R5:%[^ ]*]] = or i32 [[R3]], [[R4]]
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; CHECK: [[R6:%[^ ]*]] = icmp ult i32 [[R5]], 68
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; CHECK: br i1 [[R6]]
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; CHECK: [[R8:%[^ ]*]] = getelementptr i8, i8* @bits_use.{{[0-9]*}}, i32 [[R5]]
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; CHECK: [[R9:%[^ ]*]] = load i8, i8* [[R8]]
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; CHECK: [[R10:%[^ ]*]] = and i8 [[R9]], 1
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; CHECK: [[R11:%[^ ]*]] = icmp ne i8 [[R10]], 0
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; CHECK: [[R16:%[^ ]*]] = phi i1 [ false, {{%[^ ]*}} ], [ [[R11]], {{%[^ ]*}} ]
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%x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset1")
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; CHECK-NOT: llvm.bitset.test
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%y = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset1")
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; CHECK: ret i1 [[R16]]
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ret i1 %x
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}
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; CHECK: @bar(i32* [[B0:%[^ ]*]])
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define i1 @bar(i32* %p) {
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; CHECK: [[S0:%[^ ]*]] = bitcast i32* [[B0]] to i8*
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%pi8 = bitcast i32* %p to i8*
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; CHECK: [[S1:%[^ ]*]] = ptrtoint i8* [[S0]] to i32
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; 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)
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; CHECK: [[S3:%[^ ]*]] = lshr i32 [[S2]], 8
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; CHECK: [[S4:%[^ ]*]] = shl i32 [[S2]], 24
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; CHECK: [[S5:%[^ ]*]] = or i32 [[S3]], [[S4]]
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; CHECK: [[S6:%[^ ]*]] = icmp ult i32 [[S5]], 2
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%x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset2")
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; CHECK: ret i1 [[S6]]
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ret i1 %x
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}
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; CHECK: @baz(i32* [[C0:%[^ ]*]])
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define i1 @baz(i32* %p) {
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; CHECK: [[T0:%[^ ]*]] = bitcast i32* [[C0]] to i8*
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%pi8 = bitcast i32* %p to i8*
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; CHECK: [[T1:%[^ ]*]] = ptrtoint i8* [[T0]] to i32
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; 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)
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; CHECK: [[T3:%[^ ]*]] = lshr i32 [[T2]], 2
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; CHECK: [[T4:%[^ ]*]] = shl i32 [[T2]], 30
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; CHECK: [[T5:%[^ ]*]] = or i32 [[T3]], [[T4]]
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; CHECK: [[T6:%[^ ]*]] = icmp ult i32 [[T5]], 66
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; CHECK: br i1 [[T6]]
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; CHECK: [[T8:%[^ ]*]] = getelementptr i8, i8* @bits_use.{{[0-9]*}}, i32 [[T5]]
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; CHECK: [[T9:%[^ ]*]] = load i8, i8* [[T8]]
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; CHECK: [[T10:%[^ ]*]] = and i8 [[T9]], 2
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; CHECK: [[T11:%[^ ]*]] = icmp ne i8 [[T10]], 0
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; CHECK: [[T16:%[^ ]*]] = phi i1 [ false, {{%[^ ]*}} ], [ [[T11]], {{%[^ ]*}} ]
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%x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset3")
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; CHECK: ret i1 [[T16]]
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ret i1 %x
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}
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; CHECK-NOT: !llvm.bitsets
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