50 строки
1,6 КиБ
LLVM
50 строки
1,6 КиБ
LLVM
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7m-none-eabi"
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@answer = constant [6 x i8] c"answer"
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; func(keySize, valueSize uint8, sizeHint uintptr) *runtime.hashmap
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declare nonnull ptr @runtime.hashmapMake(i8, i8, i32)
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; func(map[string]int, string, unsafe.Pointer)
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declare void @runtime.hashmapStringSet(ptr nocapture, ptr, i32, ptr nocapture readonly)
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; func(map[string]int, string, unsafe.Pointer)
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declare i1 @runtime.hashmapStringGet(ptr nocapture, ptr, i32, ptr nocapture)
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define void @testUnused() {
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; create the map
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%map = call ptr @runtime.hashmapMake(i8 4, i8 4, i32 0)
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; create the value to be stored
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%hashmap.value = alloca i32
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store i32 42, ptr %hashmap.value
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; store the value
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call void @runtime.hashmapStringSet(ptr %map, ptr @answer, i32 6, ptr %hashmap.value)
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ret void
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}
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; Note that the following function should ideally be optimized (it could simply
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; return 42), but isn't at the moment.
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define i32 @testReadonly() {
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; create the map
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%map = call ptr @runtime.hashmapMake(i8 4, i8 4, i32 0)
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; create the value to be stored
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%hashmap.value = alloca i32
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store i32 42, ptr %hashmap.value
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; store the value
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call void @runtime.hashmapStringSet(ptr %map, ptr @answer, i32 6, ptr %hashmap.value)
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; load the value back
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%hashmap.value2 = alloca i32
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%commaOk = call i1 @runtime.hashmapStringGet(ptr %map, ptr @answer, i32 6, ptr %hashmap.value2)
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%loadedValue = load i32, ptr %hashmap.value2
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ret i32 %loadedValue
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}
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define ptr @testUsed() {
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%1 = call ptr @runtime.hashmapMake(i8 4, i8 4, i32 0)
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ret ptr %1
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}
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