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transform: don't rely on struct name of runtime.typecodeID

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Sometimes, LLVM may rename named structs when merging modules.
Therefore, we can't rely on typecodeID structs to retain their struct
names.

This commit changes the interface lowering pass to not rely on these
names. The interp package does however still rely on this name, but I
hope to fix that in the future.
This commit is contained in:
Ayke van Laethem
2021-04-05 14:46:08 +02:00
committed by Ron Evans
parent 49ec3eb58e
commit 61243f6c57
8 changed files with 21 additions and 27 deletions
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transform/testdata/interface.out.ll
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+4 -4
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@@ -5,8 +5,8 @@ target triple = "armv7m-none-eabi"
%runtime.interfaceMethodInfo = type { i8*, i32 }
@"reflect/types.type:basic:uint8" = external constant %runtime.typecodeID
@"reflect/types.type:basic:uint8$id" = external constant i8
@"reflect/types.type:basic:int16$id" = external constant i8
@"reflect/types.typeid:basic:uint8" = external constant i8
@"reflect/types.typeid:basic:int16" = external constant i8
@"reflect/types.type:basic:int" = external constant %runtime.typecodeID
@"func NeverImplementedMethod()" = external constant i8
@"func Double() int" = external constant i8
@@ -93,14 +93,14 @@ define i32 @"(Number).Double$invoke"(i8* %receiverPtr, i8* %parentHandle) {
define internal i32 @"(Doubler).Double"(i8* %0, i8* %1, i32 %actualType, i8* %parentHandle) unnamed_addr {
entry:
switch i32 %actualType, label %default [
i32 68, label %"reflect/types.type:named:Number"
i32 68, label %"named:Number"
]
default: ; preds = %entry
call void @runtime.nilPanic(i8* undef, i8* undef)
unreachable
"reflect/types.type:named:Number": ; preds = %entry
"named:Number": ; preds = %entry
%2 = call i32 @"(Number).Double$invoke"(i8* %0, i8* %1)
ret i32 %2
}