58 строки
3,4 КиБ
LLVM
58 строки
3,4 КиБ
LLVM
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown-wasm"
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%runtime.stackChainObject = type { %runtime.stackChainObject*, i32 }
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@runtime.stackChainStart = global %runtime.stackChainObject* null
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@someGlobal = global i8 3
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declare void @runtime.trackPointer(i8* nocapture readonly)
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declare noalias nonnull i8* @runtime.alloc(i32)
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define i8* @getPointer() {
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ret i8* @someGlobal
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}
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define i8* @needsStackSlots() {
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%gc.stackobject = alloca { %runtime.stackChainObject*, i32, i8* }
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store { %runtime.stackChainObject*, i32, i8* } { %runtime.stackChainObject* null, i32 1, i8* null }, { %runtime.stackChainObject*, i32, i8* }* %gc.stackobject
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%1 = load %runtime.stackChainObject*, %runtime.stackChainObject** @runtime.stackChainStart
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%2 = getelementptr { %runtime.stackChainObject*, i32, i8* }, { %runtime.stackChainObject*, i32, i8* }* %gc.stackobject, i32 0, i32 0
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store %runtime.stackChainObject* %1, %runtime.stackChainObject** %2
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%3 = bitcast { %runtime.stackChainObject*, i32, i8* }* %gc.stackobject to %runtime.stackChainObject*
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store %runtime.stackChainObject* %3, %runtime.stackChainObject** @runtime.stackChainStart
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%ptr = call i8* @runtime.alloc(i32 4)
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%4 = getelementptr { %runtime.stackChainObject*, i32, i8* }, { %runtime.stackChainObject*, i32, i8* }* %gc.stackobject, i32 0, i32 2
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store i8* %ptr, i8** %4
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store %runtime.stackChainObject* %1, %runtime.stackChainObject** @runtime.stackChainStart
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ret i8* %ptr
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}
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define i8* @needsStackSlots2() {
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%gc.stackobject = alloca { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }
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store { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* } { %runtime.stackChainObject* null, i32 4, i8* null, i8* null, i8* null, i8* null }, { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject
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%1 = load %runtime.stackChainObject*, %runtime.stackChainObject** @runtime.stackChainStart
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%2 = getelementptr { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }, { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject, i32 0, i32 0
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store %runtime.stackChainObject* %1, %runtime.stackChainObject** %2
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%3 = bitcast { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject to %runtime.stackChainObject*
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store %runtime.stackChainObject* %3, %runtime.stackChainObject** @runtime.stackChainStart
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%ptr1 = call i8* @getPointer()
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%4 = getelementptr { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }, { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject, i32 0, i32 4
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store i8* %ptr1, i8** %4
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%5 = getelementptr { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }, { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject, i32 0, i32 3
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store i8* %ptr1, i8** %5
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%6 = getelementptr { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }, { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject, i32 0, i32 2
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store i8* %ptr1, i8** %6
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%ptr2 = getelementptr i8, i8* @someGlobal, i32 0
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%unused = call i8* @runtime.alloc(i32 4)
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%7 = getelementptr { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }, { %runtime.stackChainObject*, i32, i8*, i8*, i8*, i8* }* %gc.stackobject, i32 0, i32 5
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store i8* %unused, i8** %7
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store %runtime.stackChainObject* %1, %runtime.stackChainObject** @runtime.stackChainStart
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ret i8* %ptr1
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}
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define i8* @noAllocatingFunction() {
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%ptr = call i8* @getPointer()
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ret i8* %ptr
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}
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