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compiler: clean up pointer pack code

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This means runtime.alloc isn't allocated every time but instead only
when it is actually needed. It also just cleans up the compiler code a
little bit, and makes the next commit a bit nicer.
This commit is contained in:
Ayke van Laethem
2026-05-20 11:07:35 +02:00
committed by Ayke
parent da69f18e91
commit 7b486e398a
19 changed files with 380 additions and 429 deletions
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compiler/testdata/interface.ll
Vendored
+37 -41
View File
@@ -19,57 +19,54 @@ target triple = "wasm32-unknown-wasi"
@"reflect/types.type:interface:{String:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr, { i32, [1 x ptr] } } { i8 84, ptr @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}", { i32, [1 x ptr] } { i32 1, [1 x ptr] [ptr @"reflect/types.signature:String:func:{}{basic:string}"] } }, align 4
@"reflect/types.typeid:basic:int" = external constant i8
; Function Attrs: allockind("alloc,zeroed") allocsize(0)
declare noalias nonnull ptr @runtime.alloc(i32, ptr, ptr) #0
declare void @runtime.trackPointer(ptr nocapture readonly, ptr, ptr) #1
declare void @runtime.trackPointer(ptr nocapture readonly, ptr, ptr) #0
; Function Attrs: nounwind
define hidden void @main.init(ptr %context) unnamed_addr #2 {
define hidden void @main.init(ptr %context) unnamed_addr #1 {
entry:
ret void
}
; Function Attrs: nounwind
define hidden %runtime._interface @main.simpleType(ptr %context) unnamed_addr #2 {
define hidden %runtime._interface @main.simpleType(ptr %context) unnamed_addr #1 {
entry:
%stackalloc = alloca i8, align 1
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:basic:int", ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:basic:int", ptr nonnull %stackalloc, ptr undef) #6
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #6
ret %runtime._interface { ptr @"reflect/types.type:basic:int", ptr null }
}
; Function Attrs: nounwind
define hidden %runtime._interface @main.pointerType(ptr %context) unnamed_addr #2 {
define hidden %runtime._interface @main.pointerType(ptr %context) unnamed_addr #1 {
entry:
%stackalloc = alloca i8, align 1
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:pointer:basic:int", ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:pointer:basic:int", ptr nonnull %stackalloc, ptr undef) #6
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #6
ret %runtime._interface { ptr @"reflect/types.type:pointer:basic:int", ptr null }
}
; Function Attrs: nounwind
define hidden %runtime._interface @main.interfaceType(ptr %context) unnamed_addr #2 {
define hidden %runtime._interface @main.interfaceType(ptr %context) unnamed_addr #1 {
entry:
%stackalloc = alloca i8, align 1
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:pointer:named:error", ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:pointer:named:error", ptr nonnull %stackalloc, ptr undef) #6
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #6
ret %runtime._interface { ptr @"reflect/types.type:pointer:named:error", ptr null }
}
; Function Attrs: nounwind
define hidden %runtime._interface @main.anonymousInterfaceType(ptr %context) unnamed_addr #2 {
define hidden %runtime._interface @main.anonymousInterfaceType(ptr %context) unnamed_addr #1 {
entry:
%stackalloc = alloca i8, align 1
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}", ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr nonnull @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}", ptr nonnull %stackalloc, ptr undef) #6
call void @runtime.trackPointer(ptr null, ptr nonnull %stackalloc, ptr undef) #6
ret %runtime._interface { ptr @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}", ptr null }
}
; Function Attrs: nounwind
define hidden i1 @main.isInt(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
define hidden i1 @main.isInt(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #1 {
entry:
%typecode = call i1 @runtime.typeAssert(ptr %itf.typecode, ptr nonnull @"reflect/types.typeid:basic:int", ptr undef) #7
%typecode = call i1 @runtime.typeAssert(ptr %itf.typecode, ptr nonnull @"reflect/types.typeid:basic:int", ptr undef) #6
br i1 %typecode, label %typeassert.ok, label %typeassert.next
typeassert.next: ; preds = %typeassert.ok, %entry
@@ -79,12 +76,12 @@ typeassert.ok: ; preds = %entry
br label %typeassert.next
}
declare i1 @runtime.typeAssert(ptr, ptr dereferenceable_or_null(1), ptr) #1
declare i1 @runtime.typeAssert(ptr, ptr dereferenceable_or_null(1), ptr) #0
; Function Attrs: nounwind
define hidden i1 @main.isError(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
define hidden i1 @main.isError(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #1 {
entry:
%0 = call i1 @"interface:{Error:func:{}{basic:string}}.$typeassert"(ptr %itf.typecode) #7
%0 = call i1 @"interface:{Error:func:{}{basic:string}}.$typeassert"(ptr %itf.typecode) #6
br i1 %0, label %typeassert.ok, label %typeassert.next
typeassert.next: ; preds = %typeassert.ok, %entry
@@ -94,12 +91,12 @@ typeassert.ok: ; preds = %entry
br label %typeassert.next
}
declare i1 @"interface:{Error:func:{}{basic:string}}.$typeassert"(ptr) #3
declare i1 @"interface:{Error:func:{}{basic:string}}.$typeassert"(ptr) #2
; Function Attrs: nounwind
define hidden i1 @main.isStringer(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
define hidden i1 @main.isStringer(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #1 {
entry:
%0 = call i1 @"interface:{String:func:{}{basic:string}}.$typeassert"(ptr %itf.typecode) #7
%0 = call i1 @"interface:{String:func:{}{basic:string}}.$typeassert"(ptr %itf.typecode) #6
br i1 %0, label %typeassert.ok, label %typeassert.next
typeassert.next: ; preds = %typeassert.ok, %entry
@@ -109,34 +106,33 @@ typeassert.ok: ; preds = %entry
br label %typeassert.next
}
declare i1 @"interface:{String:func:{}{basic:string}}.$typeassert"(ptr) #4
declare i1 @"interface:{String:func:{}{basic:string}}.$typeassert"(ptr) #3
; Function Attrs: nounwind
define hidden i8 @main.callFooMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
define hidden i8 @main.callFooMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #1 {
entry:
%0 = call i8 @"interface:{String:func:{}{basic:string},main.foo:func:{basic:int}{basic:uint8}}.foo$invoke"(ptr %itf.value, i32 3, ptr %itf.typecode, ptr undef) #7
%0 = call i8 @"interface:{String:func:{}{basic:string},main.foo:func:{basic:int}{basic:uint8}}.foo$invoke"(ptr %itf.value, i32 3, ptr %itf.typecode, ptr undef) #6
ret i8 %0
}
declare i8 @"interface:{String:func:{}{basic:string},main.foo:func:{basic:int}{basic:uint8}}.foo$invoke"(ptr, i32, ptr, ptr) #5
declare i8 @"interface:{String:func:{}{basic:string},main.foo:func:{basic:int}{basic:uint8}}.foo$invoke"(ptr, i32, ptr, ptr) #4
; Function Attrs: nounwind
define hidden %runtime._string @main.callErrorMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
define hidden %runtime._string @main.callErrorMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #1 {
entry:
%stackalloc = alloca i8, align 1
%0 = call %runtime._string @"interface:{Error:func:{}{basic:string}}.Error$invoke"(ptr %itf.value, ptr %itf.typecode, ptr undef) #7
%0 = call %runtime._string @"interface:{Error:func:{}{basic:string}}.Error$invoke"(ptr %itf.value, ptr %itf.typecode, ptr undef) #6
%1 = extractvalue %runtime._string %0, 0
call void @runtime.trackPointer(ptr %1, ptr nonnull %stackalloc, ptr undef) #7
call void @runtime.trackPointer(ptr %1, ptr nonnull %stackalloc, ptr undef) #6
ret %runtime._string %0
}
declare %runtime._string @"interface:{Error:func:{}{basic:string}}.Error$invoke"(ptr, ptr, ptr) #6
declare %runtime._string @"interface:{Error:func:{}{basic:string}}.Error$invoke"(ptr, ptr, ptr) #5
attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #1 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #2 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #3 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-methods"="reflect/methods.Error() string" }
attributes #4 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-methods"="reflect/methods.String() string" }
attributes #5 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-invoke"="main.$methods.foo(int) uint8" "tinygo-methods"="reflect/methods.String() string; main.$methods.foo(int) uint8" }
attributes #6 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-invoke"="reflect/methods.Error() string" "tinygo-methods"="reflect/methods.Error() string" }
attributes #7 = { nounwind }
attributes #0 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #1 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #2 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-methods"="reflect/methods.Error() string" }
attributes #3 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-methods"="reflect/methods.String() string" }
attributes #4 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-invoke"="main.$methods.foo(int) uint8" "tinygo-methods"="reflect/methods.String() string; main.$methods.foo(int) uint8" }
attributes #5 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" "tinygo-invoke"="reflect/methods.Error() string" "tinygo-methods"="reflect/methods.Error() string" }
attributes #6 = { nounwind }