0db26b0662
This kind of code might be generated by the switch implementation of func values. The func value is represented as a ptrtoint, and before calling it, it is compared against 0.
42 строки
887 Б
LLVM
42 строки
887 Б
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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@intToPtrResult = global i8 0
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@ptrToIntResult = global i8 0
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define void @runtime.initAll() {
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call void @main.init()
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ret void
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}
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define internal void @main.init() {
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call void @testIntToPtr()
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call void @testPtrToInt()
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ret void
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}
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define internal void @testIntToPtr() {
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%nil = icmp eq i8* inttoptr (i64 1024 to i8*), null
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br i1 %nil, label %a, label %b
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a:
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; should not be reached
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store i8 1, i8* @intToPtrResult
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ret void
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b:
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; should be reached
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store i8 2, i8* @intToPtrResult
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ret void
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}
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define internal void @testPtrToInt() {
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%zero = icmp eq i64 ptrtoint (i8* @ptrToIntResult to i64), 0
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br i1 %zero, label %a, label %b
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a:
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; should not be reached
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store i8 1, i8* @ptrToIntResult
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ret void
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b:
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; should be reached
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store i8 2, i8* @ptrToIntResult
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ret void
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}
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