forked from OSchip/llvm-project
41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; RUN: opt -S -lowerbitsets < %s | FileCheck %s
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target datalayout = "e-p:32:32"
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; CHECK: [[G:@[^ ]*]] = private constant { i32, [0 x i8], i32 }
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@a = constant i32 1
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@b = constant i32 2
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!0 = !{!"bitset1", i32* @a, i32 0}
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!1 = !{!"bitset1", i32* @b, i32 0}
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!2 = !{!"bitset2", i32* @a, i32 0}
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!3 = !{!"bitset3", i32* @b, i32 0}
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!llvm.bitsets = !{ !0, !1, !2, !3 }
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declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone
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; CHECK: @foo(i8* [[A0:%[^ ]*]])
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define i1 @foo(i8* %p) {
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; CHECK: [[R0:%[^ ]*]] = ptrtoint i8* [[A0]] to i32
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; CHECK: [[R1:%[^ ]*]] = icmp eq i32 [[R0]], ptrtoint ({ i32, [0 x i8], i32 }* [[G]] to i32)
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%x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset2")
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; CHECK: ret i1 [[R1]]
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ret i1 %x
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}
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; CHECK: @bar(i8* [[B0:%[^ ]*]])
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define i1 @bar(i8* %p) {
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; CHECK: [[S0:%[^ ]*]] = ptrtoint i8* [[B0]] to i32
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; CHECK: [[S1:%[^ ]*]] = icmp eq i32 [[S0]], add (i32 ptrtoint ({ i32, [0 x i8], i32 }* [[G]] to i32), i32 4)
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%x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset3")
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; CHECK: ret i1 [[S1]]
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ret i1 %x
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}
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; CHECK: @x(
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define i1 @x(i8* %p) {
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%x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset1")
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ret i1 %x
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}
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