compiler: add support for new language features of Go 1.17

This commit is contained in:
Ayke van Laethem
2021-08-15 02:29:27 +02:00
committed by Ron Evans
parent 8e88e560a1
commit 255f35671d
11 changed files with 361 additions and 12 deletions
+41
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@@ -0,0 +1,41 @@
package main
// Test changes to the language introduced in Go 1.17.
// For details, see: https://tip.golang.org/doc/go1.17#language
// These tests should be merged into the regular slice tests once Go 1.17 is the
// minimun Go version for TinyGo.
import "unsafe"
func Add32(p unsafe.Pointer, len int) unsafe.Pointer {
return unsafe.Add(p, len)
}
func Add64(p unsafe.Pointer, len int64) unsafe.Pointer {
return unsafe.Add(p, len)
}
func SliceToArray(s []int) *[4]int {
return (*[4]int)(s)
}
func SliceToArrayConst() *[4]int {
s := make([]int, 6)
return (*[4]int)(s)
}
func SliceInt(ptr *int, len int) []int {
return unsafe.Slice(ptr, len)
}
func SliceUint16(ptr *byte, len uint16) []byte {
return unsafe.Slice(ptr, len)
}
func SliceUint64(ptr *int, len uint64) []int {
return unsafe.Slice(ptr, len)
}
func SliceInt64(ptr *int, len int64) []int {
return unsafe.Slice(ptr, len)
}
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@@ -0,0 +1,136 @@
; ModuleID = 'go1.17.go'
source_filename = "go1.17.go"
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32--wasi"
declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
define hidden void @main.init(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
ret void
}
define hidden i8* @main.Add32(i8* %p, i32 %len, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = getelementptr i8, i8* %p, i32 %len
ret i8* %0
}
define hidden i8* @main.Add64(i8* %p, i64 %len, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = trunc i64 %len to i32
%1 = getelementptr i8, i8* %p, i32 %0
ret i8* %1
}
define hidden [4 x i32]* @main.SliceToArray(i32* %s.data, i32 %s.len, i32 %s.cap, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = icmp ult i32 %s.len, 4
br i1 %0, label %slicetoarray.throw, label %slicetoarray.next
slicetoarray.throw: ; preds = %entry
call void @runtime.sliceToArrayPointerPanic(i8* undef, i8* null)
unreachable
slicetoarray.next: ; preds = %entry
%1 = bitcast i32* %s.data to [4 x i32]*
ret [4 x i32]* %1
}
declare void @runtime.sliceToArrayPointerPanic(i8*, i8*)
define hidden [4 x i32]* @main.SliceToArrayConst(i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%makeslice = call i8* @runtime.alloc(i32 24, i8* undef, i8* null)
br i1 false, label %slicetoarray.throw, label %slicetoarray.next
slicetoarray.throw: ; preds = %entry
unreachable
slicetoarray.next: ; preds = %entry
%0 = bitcast i8* %makeslice to [4 x i32]*
ret [4 x i32]* %0
}
define hidden { i32*, i32, i32 } @main.SliceInt(i32* dereferenceable_or_null(4) %ptr, i32 %len, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = icmp ugt i32 %len, 1073741823
%1 = icmp eq i32* %ptr, null
%2 = icmp ne i32 %len, 0
%3 = and i1 %1, %2
%4 = or i1 %3, %0
br i1 %4, label %unsafe.Slice.throw, label %unsafe.Slice.next
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(i8* undef, i8* null)
unreachable
unsafe.Slice.next: ; preds = %entry
%5 = insertvalue { i32*, i32, i32 } undef, i32* %ptr, 0
%6 = insertvalue { i32*, i32, i32 } %5, i32 %len, 1
%7 = insertvalue { i32*, i32, i32 } %6, i32 %len, 2
ret { i32*, i32, i32 } %7
}
declare void @runtime.unsafeSlicePanic(i8*, i8*)
define hidden { i8*, i32, i32 } @main.SliceUint16(i8* dereferenceable_or_null(1) %ptr, i16 %len, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = icmp eq i8* %ptr, null
%1 = icmp ne i16 %len, 0
%2 = and i1 %0, %1
br i1 %2, label %unsafe.Slice.throw, label %unsafe.Slice.next
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(i8* undef, i8* null)
unreachable
unsafe.Slice.next: ; preds = %entry
%3 = zext i16 %len to i32
%4 = insertvalue { i8*, i32, i32 } undef, i8* %ptr, 0
%5 = insertvalue { i8*, i32, i32 } %4, i32 %3, 1
%6 = insertvalue { i8*, i32, i32 } %5, i32 %3, 2
ret { i8*, i32, i32 } %6
}
define hidden { i32*, i32, i32 } @main.SliceUint64(i32* dereferenceable_or_null(4) %ptr, i64 %len, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = icmp ugt i64 %len, 1073741823
%1 = icmp eq i32* %ptr, null
%2 = icmp ne i64 %len, 0
%3 = and i1 %1, %2
%4 = or i1 %3, %0
br i1 %4, label %unsafe.Slice.throw, label %unsafe.Slice.next
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(i8* undef, i8* null)
unreachable
unsafe.Slice.next: ; preds = %entry
%5 = trunc i64 %len to i32
%6 = insertvalue { i32*, i32, i32 } undef, i32* %ptr, 0
%7 = insertvalue { i32*, i32, i32 } %6, i32 %5, 1
%8 = insertvalue { i32*, i32, i32 } %7, i32 %5, 2
ret { i32*, i32, i32 } %8
}
define hidden { i32*, i32, i32 } @main.SliceInt64(i32* dereferenceable_or_null(4) %ptr, i64 %len, i8* %context, i8* %parentHandle) unnamed_addr {
entry:
%0 = icmp ugt i64 %len, 1073741823
%1 = icmp eq i32* %ptr, null
%2 = icmp ne i64 %len, 0
%3 = and i1 %1, %2
%4 = or i1 %3, %0
br i1 %4, label %unsafe.Slice.throw, label %unsafe.Slice.next
unsafe.Slice.throw: ; preds = %entry
call void @runtime.unsafeSlicePanic(i8* undef, i8* null)
unreachable
unsafe.Slice.next: ; preds = %entry
%5 = trunc i64 %len to i32
%6 = insertvalue { i32*, i32, i32 } undef, i32* %ptr, 0
%7 = insertvalue { i32*, i32, i32 } %6, i32 %5, 1
%8 = insertvalue { i32*, i32, i32 } %7, i32 %5, 2
ret { i32*, i32, i32 } %8
}