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all: remove LLVM 14 support

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This is a big change: apart from removing LLVM 14 it also removes typed
pointer support (which was only fully supported in LLVM up to version
14). This removes about 200 lines of code, but more importantly removes
a ton of special cases for LLVM 14.
This commit is contained in:
Ayke van Laethem
2023-09-18 17:54:29 +02:00
committed by Ayke
parent c9721197d5
commit 1da1abe314
33 changed files with 247 additions and 467 deletions
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compiler/intrinsics.go
+3 -10
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@@ -7,7 +7,6 @@ import (
"strconv"
"strings"
"github.com/tinygo-org/tinygo/compiler/llvmutil"
"tinygo.org/x/go-llvm"
)
@@ -48,12 +47,9 @@ func (b *builder) defineIntrinsicFunction() {
func (b *builder) createMemoryCopyImpl() {
b.createFunctionStart(true)
fnName := "llvm." + b.fn.Name() + ".p0.p0.i" + strconv.Itoa(b.uintptrType.IntTypeWidth())
if llvmutil.Major() < 15 { // compatibility with LLVM 14
fnName = "llvm." + b.fn.Name() + ".p0i8.p0i8.i" + strconv.Itoa(b.uintptrType.IntTypeWidth())
}
llvmFn := b.mod.NamedFunction(fnName)
if llvmFn.IsNil() {
fnType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.i8ptrType, b.i8ptrType, b.uintptrType, b.ctx.Int1Type()}, false)
fnType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.dataPtrType, b.dataPtrType, b.uintptrType, b.ctx.Int1Type()}, false)
llvmFn = llvm.AddFunction(b.mod, fnName, fnType)
}
var params []llvm.Value
@@ -84,12 +80,9 @@ func (b *builder) createMemoryZeroImpl() {
// Return the llvm.memset.p0.i8 function declaration.
func (c *compilerContext) getMemsetFunc() llvm.Value {
fnName := "llvm.memset.p0.i" + strconv.Itoa(c.uintptrType.IntTypeWidth())
if llvmutil.Major() < 15 { // compatibility with LLVM 14
fnName = "llvm.memset.p0i8.i" + strconv.Itoa(c.uintptrType.IntTypeWidth())
}
llvmFn := c.mod.NamedFunction(fnName)
if llvmFn.IsNil() {
fnType := llvm.FunctionType(c.ctx.VoidType(), []llvm.Type{c.i8ptrType, c.ctx.Int8Type(), c.uintptrType, c.ctx.Int1Type()}, false)
fnType := llvm.FunctionType(c.ctx.VoidType(), []llvm.Type{c.dataPtrType, c.ctx.Int8Type(), c.uintptrType, c.ctx.Int1Type()}, false)
llvmFn = llvm.AddFunction(c.mod, fnName, fnType)
}
return llvmFn
@@ -111,7 +104,7 @@ func (b *builder) createKeepAliveImpl() {
//
// It should be portable to basically everything as the "r" register type
// exists basically everywhere.
asmType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.i8ptrType}, false)
asmType := llvm.FunctionType(b.ctx.VoidType(), []llvm.Type{b.dataPtrType}, false)
asmFn := llvm.InlineAsm(asmType, "", "r", true, false, 0, false)
b.createCall(asmType, asmFn, []llvm.Value{pointerValue}, "")