forked from OSchip/llvm-project
23 lines
878 B
LLVM
23 lines
878 B
LLVM
; RUN: opt -S -lowerbitsets < %s | FileCheck %s
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; Tests that we correctly handle external references, including the case where
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; all functions in a bitset are external references.
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target triple = "x86_64-unknown-linux-gnu"
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declare void @foo()
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; CHECK: @[[JT:.*]] = private constant [1 x <{ i8, i32, i8, i8, i8 }>] [<{ i8, i32, i8, i8, i8 }> <{ i8 -23, i32 trunc (i64 sub (i64 sub (i64 ptrtoint (void ()* @foo to i64), i64 ptrtoint ([1 x <{ i8, i32, i8, i8, i8 }>]* @[[JT]] to i64)), i64 5) to i32), i8 -52, i8 -52, i8 -52 }>], section ".text"
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define i1 @bar(i8* %ptr) {
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; CHECK: icmp eq i64 {{.*}}, ptrtoint ([1 x <{ i8, i32, i8, i8, i8 }>]* @[[JT]] to i64)
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%p = call i1 @llvm.bitset.test(i8* %ptr, metadata !"void")
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ret i1 %p
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}
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declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone
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!0 = !{!"void", void ()* @foo, i64 0}
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!llvm.bitsets = !{!0}
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