82 строки
2,6 КиБ
LLVM
82 строки
2,6 КиБ
LLVM
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64--linux"
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@foo.knownAtRuntime = local_unnamed_addr global i64 0
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@bar.knownAtRuntime = local_unnamed_addr global i64 0
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@baz.someGlobal = external local_unnamed_addr global [3 x { i64, i32 }]
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@baz.someInt = local_unnamed_addr global i32 0
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@x.atomicNum = local_unnamed_addr global i32 0
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@x.volatileNum = global i32 0
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@y.ready = local_unnamed_addr global i32 0
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@z.bloom = global i64 0
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@z.arr = global [32 x i8] zeroinitializer
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declare void @externalCall(i64) local_unnamed_addr
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declare i64 @ptrHash(ptr nocapture) local_unnamed_addr
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define void @runtime.initAll() unnamed_addr {
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entry:
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call fastcc void @baz.init(ptr undef)
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call fastcc void @foo.init(ptr undef)
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%val = load i64, ptr @foo.knownAtRuntime, align 8
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store i64 %val, ptr @bar.knownAtRuntime, align 8
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call void @externalCall(i64 3)
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store atomic i32 1, ptr @x.atomicNum seq_cst, align 4
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%x = load atomic i32, ptr @x.atomicNum seq_cst, align 4
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store i32 %x, ptr @x.atomicNum, align 4
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%y = load volatile i32, ptr @x.volatileNum, align 4
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store volatile i32 %y, ptr @x.volatileNum, align 4
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call fastcc void @y.init(ptr undef)
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call fastcc void @z.set(ptr @z.bloom, ptr @z.bloom)
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call fastcc void @z.setArr(ptr @z.arr, i64 32, ptr @z.bloom)
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ret void
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}
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define internal fastcc void @foo.init(ptr %context) unnamed_addr {
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store i64 5, ptr @foo.knownAtRuntime, align 8
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unreachable
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}
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define internal fastcc void @baz.init(ptr %context) unnamed_addr {
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unreachable
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}
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define internal fastcc void @y.init(ptr %context) unnamed_addr {
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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%val = load atomic i32, ptr @y.ready seq_cst, align 4
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%ready = icmp eq i32 %val, 1
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br i1 %ready, label %end, label %loop
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end: ; preds = %loop
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ret void
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}
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define internal fastcc void @z.setArr(ptr %arr, i64 %n, ptr %context) unnamed_addr {
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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%prev = phi i64 [ %n, %entry ], [ %idx, %loop ]
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%idx = sub i64 %prev, 1
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%elem = getelementptr i8, ptr %arr, i64 %idx
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call fastcc void @z.set(ptr %elem, ptr %context)
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%done = icmp eq i64 %idx, 0
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br i1 %done, label %end, label %loop
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end: ; preds = %loop
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ret void
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}
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define internal fastcc void @z.set(ptr %ptr, ptr %context) unnamed_addr {
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%hash = call i64 @ptrHash(ptr %ptr)
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%index = lshr i64 %hash, 58
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%bit = shl i64 1, %index
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%old = load i64, ptr %context, align 8
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%new = or i64 %old, %bit
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store i64 %new, ptr %context, align 8
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ret void
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}
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