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builder: free LLVM objects after use

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This reduces the TinyGo memory consumption when running

  make tinygo-test

from 5.8GB to around 2GB on my laptop.
This commit is contained in:
Ayke van Laethem
2022-04-19 15:31:23 +02:00
committed by Ron Evans
parent ea3b5dc689
commit 777d3f3ea5
13 changed files with 49 additions and 6 deletions
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compiler/llvmutil/llvm.go
+2
View File
@@ -34,6 +34,7 @@ func CreateEntryBlockAlloca(builder llvm.Builder, t llvm.Type, name string) llvm
func CreateTemporaryAlloca(builder llvm.Builder, mod llvm.Module, t llvm.Type, name string) (alloca, bitcast, size llvm.Value) {
ctx := t.Context()
targetData := llvm.NewTargetData(mod.DataLayout())
defer targetData.Dispose()
i8ptrType := llvm.PointerType(ctx.Int8Type(), 0)
alloca = CreateEntryBlockAlloca(builder, t, name)
bitcast = builder.CreateBitCast(alloca, i8ptrType, name+".bitcast")
@@ -46,6 +47,7 @@ func CreateTemporaryAlloca(builder llvm.Builder, mod llvm.Module, t llvm.Type, n
func CreateInstructionAlloca(builder llvm.Builder, mod llvm.Module, t llvm.Type, inst llvm.Value, name string) llvm.Value {
ctx := mod.Context()
targetData := llvm.NewTargetData(mod.DataLayout())
defer targetData.Dispose()
i8ptrType := llvm.PointerType(ctx.Int8Type(), 0)
alloca := CreateEntryBlockAlloca(builder, t, name)
compiler/llvmutil/wordpack.go
+4 -2
View File
@@ -15,8 +15,9 @@ import (
func EmitPointerPack(builder llvm.Builder, mod llvm.Module, prefix string, needsStackObjects bool, values []llvm.Value) llvm.Value {
ctx := mod.Context()
targetData := llvm.NewTargetData(mod.DataLayout())
defer targetData.Dispose()
i8ptrType := llvm.PointerType(mod.Context().Int8Type(), 0)
uintptrType := ctx.IntType(llvm.NewTargetData(mod.DataLayout()).PointerSize() * 8)
uintptrType := ctx.IntType(targetData.PointerSize() * 8)
valueTypes := make([]llvm.Type, len(values))
for i, value := range values {
@@ -127,8 +128,9 @@ func EmitPointerPack(builder llvm.Builder, mod llvm.Module, prefix string, needs
func EmitPointerUnpack(builder llvm.Builder, mod llvm.Module, ptr llvm.Value, valueTypes []llvm.Type) []llvm.Value {
ctx := mod.Context()
targetData := llvm.NewTargetData(mod.DataLayout())
defer targetData.Dispose()
i8ptrType := llvm.PointerType(mod.Context().Int8Type(), 0)
uintptrType := ctx.IntType(llvm.NewTargetData(mod.DataLayout()).PointerSize() * 8)
uintptrType := ctx.IntType(targetData.PointerSize() * 8)
packedType := ctx.StructType(valueTypes, false)