bf9dab36f7
This commit changes a target triple like "armv6m-none-eabi" to "armv6m-unknown-unknow-eabi". The reason is that while the former is correctly parsed in Clang (due to normalization), it wasn't parsed correctly in LLVM meaning that the environment wasn't set to EABI. This change normalizes all target triples and uses the EABI environment (-eabi in the triple) for Cortex-M targets. This change also drops the `--target=` flag in the target JSON files, the flag is now added implicitly in `(*compileopts.Config).CFlags()`. This removes some duplication in target JSON files. Unfortunately, this change also increases code size for Cortex-M targets. It looks like LLVM now emits calls like __aeabi_memmove instead of memmove, which pull in slightly more code (they basically just call the regular C functions) and the calls themself don't seem to be as efficient as they could be. Perhaps this is a LLVM bug that will be fixed in the future, as this is a very common occurrence.
101 строка
6,6 КиБ
LLVM
101 строка
6,6 КиБ
LLVM
; ModuleID = 'interface.go'
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source_filename = "interface.go"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-wasi"
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%runtime.typecodeID = type { %runtime.typecodeID*, i32, %runtime.interfaceMethodInfo*, %runtime.typecodeID* }
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%runtime.interfaceMethodInfo = type { i8*, i32 }
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%runtime._interface = type { i32, i8* }
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%runtime._string = type { i8*, i32 }
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@"reflect/types.type:basic:int" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* null, i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* @"reflect/types.type:pointer:basic:int" }
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@"reflect/types.type:pointer:basic:int" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:basic:int", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null }
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@"reflect/types.type:pointer:named:error" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:named:error", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null }
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@"reflect/types.type:named:error" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* @"reflect/types.type:pointer:named:error" }
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@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* bitcast ([1 x i8*]* @"reflect/types.interface:interface{Error() string}$interface" to %runtime.typecodeID*), i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* @"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}" }
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@"reflect/methods.Error() string" = linkonce_odr constant i8 0, align 1
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@"reflect/types.interface:interface{Error() string}$interface" = linkonce_odr constant [1 x i8*] [i8* @"reflect/methods.Error() string"]
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@"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{Error:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null }
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@"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* @"reflect/types.type:interface:{String:func:{}{basic:string}}", i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* null }
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@"reflect/types.type:interface:{String:func:{}{basic:string}}" = linkonce_odr constant %runtime.typecodeID { %runtime.typecodeID* bitcast ([1 x i8*]* @"reflect/types.interface:interface{String() string}$interface" to %runtime.typecodeID*), i32 0, %runtime.interfaceMethodInfo* null, %runtime.typecodeID* @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}" }
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@"reflect/methods.String() string" = linkonce_odr constant i8 0, align 1
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@"reflect/types.interface:interface{String() string}$interface" = linkonce_odr constant [1 x i8*] [i8* @"reflect/methods.String() string"]
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@"reflect/types.typeid:basic:int" = external constant i8
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@"error$interface" = linkonce_odr constant [1 x i8*] [i8* @"reflect/methods.Error() string"]
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declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
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define hidden void @main.init(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret void
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}
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define hidden %runtime._interface @main.simpleType(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret %runtime._interface { i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:basic:int" to i32), i8* null }
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}
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define hidden %runtime._interface @main.pointerType(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret %runtime._interface { i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:pointer:basic:int" to i32), i8* null }
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}
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define hidden %runtime._interface @main.interfaceType(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret %runtime._interface { i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:pointer:named:error" to i32), i8* null }
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}
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define hidden %runtime._interface @main.anonymousInterfaceType(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret %runtime._interface { i32 ptrtoint (%runtime.typecodeID* @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}" to i32), i8* null }
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}
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define hidden i1 @main.isInt(i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%typecode = call i1 @runtime.typeAssert(i32 %itf.typecode, i8* nonnull @"reflect/types.typeid:basic:int", i8* undef, i8* null)
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br i1 %typecode, label %typeassert.ok, label %typeassert.next
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typeassert.ok: ; preds = %entry
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br label %typeassert.next
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typeassert.next: ; preds = %typeassert.ok, %entry
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ret i1 %typecode
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}
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declare i1 @runtime.typeAssert(i32, i8* dereferenceable_or_null(1), i8*, i8*)
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define hidden i1 @main.isError(i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%0 = call i1 @runtime.interfaceImplements(i32 %itf.typecode, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"error$interface", i32 0, i32 0), i8* undef, i8* null)
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br i1 %0, label %typeassert.ok, label %typeassert.next
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typeassert.ok: ; preds = %entry
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br label %typeassert.next
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typeassert.next: ; preds = %typeassert.ok, %entry
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ret i1 %0
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}
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declare i1 @runtime.interfaceImplements(i32, i8** dereferenceable_or_null(4), i8*, i8*)
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define hidden i1 @main.isStringer(i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%0 = call i1 @runtime.interfaceImplements(i32 %itf.typecode, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"reflect/types.interface:interface{String() string}$interface", i32 0, i32 0), i8* undef, i8* null)
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br i1 %0, label %typeassert.ok, label %typeassert.next
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typeassert.ok: ; preds = %entry
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br label %typeassert.next
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typeassert.next: ; preds = %typeassert.ok, %entry
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ret i1 %0
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}
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define hidden %runtime._string @main.callErrorMethod(i32 %itf.typecode, i8* %itf.value, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%invoke.func = call i32 @runtime.interfaceMethod(i32 %itf.typecode, i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"error$interface", i32 0, i32 0), i8* nonnull @"reflect/methods.Error() string", i8* undef, i8* null)
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%invoke.func.cast = inttoptr i32 %invoke.func to %runtime._string (i8*, i8*, i8*)*
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%0 = call %runtime._string %invoke.func.cast(i8* %itf.value, i8* undef, i8* undef)
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ret %runtime._string %0
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}
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declare i32 @runtime.interfaceMethod(i32, i8** dereferenceable_or_null(4), i8* dereferenceable_or_null(1), i8*, i8*)
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