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92c6b47f12d1d177458c47233c5937353dda3d72
sx/tests/expected/ffi-jni-call-03-methodid-sharing.ir
agra 92c6b47f12 mem: Step 3 — thread __sx_ctx through closure/fn-pointer/method dispatch 
Continues the implicit-Context refactor. Bare-fn trampolines, lambda
trampolines, and protocol thunks now carry __sx_ctx at slot 0; call
sites for closures, fn-pointer variables, and method dispatch prepend
the caller's current ctx.

- emit_llvm.zig:1687 call_indirect treats `fp_ctx_slots` leading args
  as opaque ptr (the implicit ctx) when the fn-pointer is default-conv
  under has_implicit_ctx.
- lower.zig:fnPtrTypeWantsCtx predicate gates the prepend at both
  scope-local and global fn-pointer call sites.
- lower.zig:fixupMethodReceiver skips __sx_ctx when probing the
  receiver param's type.
- lower.zig:lowerLambda builds closure type from user-visible params
  only (skip ctx + env).
- lower.zig:closure(bare_fn) builds closure type from user-visible
  params only.
- module.zig: Module.has_implicit_ctx flag mirrors Lowering's switch
  so emit_llvm can read it without a back-pointer.

Tests updated:
- 5 ObjC-block/runtime tests get `callconv(.c)` on fn-ptr types
  cast from `objc_msgSend` / Block.invoke (C-side calls into sx).
- ffi-06-callback gets `callconv(.c)` on double_it/add_with_ctx —
  the registered C-side callbacks.
- 08-types snapshot regen (undefined-init drift from layout shift).
- 11 JNI/ObjC .ir snapshots regen for the ctx-prepended thunk
  signatures.

151/152 example tests pass. Remaining failure (05-run) is the
comptime/interp path that requires Step 7 (callWithDefaultContext).
2026-05-25 08:41:50 +03:00

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@context = internal global { { ptr, ptr, ptr }, ptr } zeroinitializer
@g_should_call = internal global i1 false
@__sx_default_context = internal global { { ptr, ptr, ptr }, ptr } { { ptr, ptr, ptr } { ptr null, ptr @__thunk_CAllocator_Allocator_alloc, ptr @__thunk_CAllocator_Allocator_dealloc }, ptr null }
@str = private unnamed_addr constant [5 x i8] c"noop\00", align 1
@str.1 = private unnamed_addr constant [4 x i8] c"()V\00", align 1
@SX_JNI_CLS_noop____V = internal global ptr null
@SX_JNI_MID_noop____V = internal global ptr null
@str.2 = private unnamed_addr constant [5 x i8] c"noop\00", align 1
@str.3 = private unnamed_addr constant [4 x i8] c"()V\00", align 1
@str.4 = private unnamed_addr constant [4 x i8] c"ok\0A\00", align 1
@str.5 = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
; Function Attrs: nounwind
declare void @out(ptr) #0
declare ptr @malloc(i64)
declare void @free(ptr)
declare ptr @memcpy(ptr, ptr, i64)
declare ptr @memset(ptr, i32, i64)
; Function Attrs: nounwind
define internal ptr @CAllocator.alloc(ptr %0, ptr %1, i64 %2) #0 {
entry:
%alloca = alloca ptr, align 8
store ptr %1, ptr %alloca, align 8
%allocaN = alloca i64, align 8
store i64 %2, ptr %allocaN, align 8
%load = load i64, ptr %allocaN, align 8
%call = call ptr @malloc(i64 %load)
ret ptr %call
}
; Function Attrs: nounwind
define internal void @CAllocator.dealloc(ptr %0, ptr %1, ptr %2) #0 {
entry:
%alloca = alloca ptr, align 8
store ptr %1, ptr %alloca, align 8
%allocaN = alloca ptr, align 8
store ptr %2, ptr %allocaN, align 8
%load = load ptr, ptr %allocaN, align 8
call void @free(ptr %load)
ret void
}
; Function Attrs: nounwind
declare ptr @GPA.init(ptr) #0
; Function Attrs: nounwind
define internal ptr @GPA.alloc(ptr %0, ptr %1, i64 %2) #0 {
entry:
%alloca = alloca ptr, align 8
store ptr %1, ptr %alloca, align 8
%allocaN = alloca i64, align 8
store i64 %2, ptr %allocaN, align 8
%load = load ptr, ptr %alloca, align 8
%gep = getelementptr inbounds { i64 }, ptr %load, i32 0, i32 0
%loadN = load i64, ptr %gep, align 8
%add = add i64 %loadN, 1
store i64 %add, ptr %gep, align 8
%loadN = load i64, ptr %allocaN, align 8
%call = call ptr @malloc(i64 %loadN)
ret ptr %call
}
; Function Attrs: nounwind
define internal void @GPA.dealloc(ptr %0, ptr %1, ptr %2) #0 {
entry:
%alloca = alloca ptr, align 8
store ptr %1, ptr %alloca, align 8
%allocaN = alloca ptr, align 8
store ptr %2, ptr %allocaN, align 8
%load = load ptr, ptr %alloca, align 8
%gep = getelementptr inbounds { i64 }, ptr %load, i32 0, i32 0
%loadN = load i64, ptr %gep, align 8
%sub = sub i64 %loadN, 1
store i64 %sub, ptr %gep, align 8
%loadN = load ptr, ptr %allocaN, align 8
call void @free(ptr %loadN)
ret void
}
; Function Attrs: nounwind
declare void @Arena.add_chunk(ptr, ptr, i64) #0
; Function Attrs: nounwind
declare ptr @Arena.init(ptr, ptr, i64) #0
; Function Attrs: nounwind
declare void @Arena.reset(ptr, ptr) #0
; Function Attrs: nounwind
declare void @Arena.deinit(ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @Arena.alloc(ptr, ptr, i64) #0
; Function Attrs: nounwind
declare void @Arena.dealloc(ptr, ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @BufAlloc.init(ptr, ptr, i64) #0
; Function Attrs: nounwind
declare void @BufAlloc.reset(ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @BufAlloc.alloc(ptr, ptr, i64) #0
; Function Attrs: nounwind
declare void @BufAlloc.dealloc(ptr, ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @TrackingAllocator.init(ptr, ptr) #0
; Function Attrs: nounwind
declare i64 @TrackingAllocator.leak_count(ptr, ptr) #0
; Function Attrs: nounwind
declare void @TrackingAllocator.report(ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @TrackingAllocator.alloc(ptr, ptr, i64) #0
; Function Attrs: nounwind
declare void @TrackingAllocator.dealloc(ptr, ptr, ptr) #0
; Function Attrs: nounwind
define internal { ptr, i64 } @cstring(ptr %0, i64 %1) #0 {
entry:
%alloca = alloca i64, align 8
store i64 %1, ptr %alloca, align 8
%load = load i64, ptr %alloca, align 8
%add = add i64 %load, 1
%heap = call ptr @malloc(i64 %add)
%allocaN = alloca ptr, align 8
store ptr %heap, ptr %allocaN, align 8
%loadN = load ptr, ptr %allocaN, align 8
%loadN = load i64, ptr %alloca, align 8
%addN = add i64 %loadN, 1
%2 = call ptr @memset(ptr %loadN, i32 0, i64 %addN)
%allocaN = alloca { ptr, i64 }, align 8
store { ptr, i64 } undef, ptr %allocaN, align 8
%loadN = load ptr, ptr %allocaN, align 8
%gep = getelementptr inbounds { ptr, i64 }, ptr %allocaN, i32 0, i32 0
%pti = ptrtoint ptr %loadN to i64
store i64 %pti, ptr %gep, align 8
%loadN = load i64, ptr %alloca, align 8
%gepN = getelementptr inbounds { ptr, i64 }, ptr %allocaN, i32 0, i32 1
store i64 %loadN, ptr %gepN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
ret { ptr, i64 } %loadN
}
; Function Attrs: nounwind
declare ptr @int_to_string(ptr, i64) #0
; Function Attrs: nounwind
declare ptr @bool_to_string(ptr, i1) #0
; Function Attrs: nounwind
declare ptr @float_to_string(ptr, double) #0
; Function Attrs: nounwind
declare void @hex_group(ptr, ptr, i64, i64) #0
; Function Attrs: nounwind
declare ptr @int_to_hex_string(ptr, i64) #0
; Function Attrs: nounwind
define internal { ptr, i64 } @concat(ptr %0, { ptr, i64 } %1, { ptr, i64 } %2) #0 {
entry:
%alloca = alloca { ptr, i64 }, align 8
store { ptr, i64 } %1, ptr %alloca, align 8
%allocaN = alloca { ptr, i64 }, align 8
store { ptr, i64 } %2, ptr %allocaN, align 8
%load = load { ptr, i64 }, ptr %alloca, align 8
%len = extractvalue { ptr, i64 } %load, 1
%allocaN = alloca i64, align 8
store i64 %len, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%lenN = extractvalue { ptr, i64 } %loadN, 1
%allocaN = alloca i64, align 8
store i64 %lenN, ptr %allocaN, align 8
%loadN = load i64, ptr %allocaN, align 8
%loadN = load i64, ptr %allocaN, align 8
%add = add i64 %loadN, %loadN
%call = call { ptr, i64 } @cstring(ptr %0, i64 %add)
%allocaN = alloca { ptr, i64 }, align 8
store { ptr, i64 } %call, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%dptr = extractvalue { ptr, i64 } %loadN, 0
%loadN = load { ptr, i64 }, ptr %alloca, align 8
%dptrN = extractvalue { ptr, i64 } %loadN, 0
%loadN = load i64, ptr %allocaN, align 8
%callN = call ptr @memcpy(ptr %dptr, ptr %dptrN, i64 %loadN)
%loadN = load i64, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%igp.data = extractvalue { ptr, i64 } %loadN, 0
%igp.ptr = getelementptr i8, ptr %igp.data, i64 %loadN
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%dptrN = extractvalue { ptr, i64 } %loadN, 0
%loadN = load i64, ptr %allocaN, align 8
%callN = call ptr @memcpy(ptr %igp.ptr, ptr %dptrN, i64 %loadN)
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
ret { ptr, i64 } %loadN
}
; Function Attrs: nounwind
define internal { ptr, i64 } @substr(ptr %0, { ptr, i64 } %1, i64 %2, i64 %3) #0 {
entry:
%alloca = alloca { ptr, i64 }, align 8
store { ptr, i64 } %1, ptr %alloca, align 8
%allocaN = alloca i64, align 8
store i64 %2, ptr %allocaN, align 8
%allocaN = alloca i64, align 8
store i64 %3, ptr %allocaN, align 8
%load = load i64, ptr %allocaN, align 8
%call = call { ptr, i64 } @cstring(ptr %0, i64 %load)
%allocaN = alloca { ptr, i64 }, align 8
store { ptr, i64 } %call, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%dptr = extractvalue { ptr, i64 } %loadN, 0
%loadN = load i64, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %alloca, align 8
%igp.data = extractvalue { ptr, i64 } %loadN, 0
%igp.ptr = getelementptr i8, ptr %igp.data, i64 %loadN
%loadN = load i64, ptr %allocaN, align 8
%callN = call ptr @memcpy(ptr %dptr, ptr %igp.ptr, i64 %loadN)
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
ret { ptr, i64 } %loadN
}
; Function Attrs: nounwind
declare ptr @xml_escape(ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @path_join(ptr, ptr) #0
; Function Attrs: nounwind
declare ptr @any_to_string(ptr, [2 x i64]) #0
; Function Attrs: nounwind
declare ptr @build_format(ptr, ptr) #0
; Function Attrs: nounwind
define internal void @unused_jni(ptr %0, ptr %1, ptr %2) #0 {
entry:
%alloca = alloca ptr, align 8
store ptr %1, ptr %alloca, align 8
%allocaN = alloca ptr, align 8
store ptr %2, ptr %allocaN, align 8
%load = load ptr, ptr %alloca, align 8
%call = call ptr @sx_jni_env_tl_get()
call void @sx_jni_env_tl_set(ptr %load)
%loadN = load ptr, ptr %allocaN, align 8
%jni.ifs = load ptr, ptr %load, align 8
%jni.cached.mid = load ptr, ptr @SX_JNI_MID_noop____V, align 8
%jni.is.cached = icmp ne ptr %jni.cached.mid, null
br i1 %jni.is.cached, label %jni.cont, label %jni.miss
jni.miss: ; preds = %entry
%3 = getelementptr inbounds ptr, ptr %jni.ifs, i32 31
%jni.GetObjectClass = load ptr, ptr %3, align 8
%jni.cls = call ptr %jni.GetObjectClass(ptr %load, ptr %loadN)
%4 = getelementptr inbounds ptr, ptr %jni.ifs, i32 21
%jni.NewGlobalRef = load ptr, ptr %4, align 8
%jni.global.cls = call ptr %jni.NewGlobalRef(ptr %load, ptr %jni.cls)
store ptr %jni.global.cls, ptr @SX_JNI_CLS_noop____V, align 8
%5 = getelementptr inbounds ptr, ptr %jni.ifs, i32 33
%jni.GetMethodID = load ptr, ptr %5, align 8
%jni.fresh.mid = call ptr %jni.GetMethodID(ptr %load, ptr %jni.global.cls, ptr @str, ptr @str.1)
store ptr %jni.fresh.mid, ptr @SX_JNI_MID_noop____V, align 8
br label %jni.cont
jni.cont: ; preds = %jni.miss, %entry
%jni.mid = phi ptr [ %jni.cached.mid, %entry ], [ %jni.fresh.mid, %jni.miss ]
%6 = getelementptr inbounds ptr, ptr %jni.ifs, i32 61
%jni.callfn = load ptr, ptr %6, align 8
call void %jni.callfn(ptr %load, ptr %loadN, ptr %jni.mid)
%loadN = load ptr, ptr %allocaN, align 8
%jni.ifs4 = load ptr, ptr %load, align 8
%jni.cached.mid5 = load ptr, ptr @SX_JNI_MID_noop____V, align 8
%jni.is.cached6 = icmp ne ptr %jni.cached.mid5, null
br i1 %jni.is.cached6, label %jni.cont8, label %jni.miss7
jni.miss7: ; preds = %jni.cont
%7 = getelementptr inbounds ptr, ptr %jni.ifs4, i32 31
%jni.GetObjectClass9 = load ptr, ptr %7, align 8
%jni.cls10 = call ptr %jni.GetObjectClass9(ptr %load, ptr %loadN)
%8 = getelementptr inbounds ptr, ptr %jni.ifs4, i32 21
%jni.NewGlobalRef11 = load ptr, ptr %8, align 8
%jni.global.cls12 = call ptr %jni.NewGlobalRef11(ptr %load, ptr %jni.cls10)
store ptr %jni.global.cls12, ptr @SX_JNI_CLS_noop____V, align 8
%9 = getelementptr inbounds ptr, ptr %jni.ifs4, i32 33
%jni.GetMethodID13 = load ptr, ptr %9, align 8
%jni.fresh.mid14 = call ptr %jni.GetMethodID13(ptr %load, ptr %jni.global.cls12, ptr @str.2, ptr @str.3)
store ptr %jni.fresh.mid14, ptr @SX_JNI_MID_noop____V, align 8
br label %jni.cont8
jni.cont8: ; preds = %jni.miss7, %jni.cont
%jni.mid15 = phi ptr [ %jni.cached.mid5, %jni.cont ], [ %jni.fresh.mid14, %jni.miss7 ]
%10 = getelementptr inbounds ptr, ptr %jni.ifs4, i32 61
%jni.callfn16 = load ptr, ptr %10, align 8
call void %jni.callfn16(ptr %load, ptr %loadN, ptr %jni.mid15)
call void @sx_jni_env_tl_set(ptr %call)
ret void
}
; Function Attrs: nounwind
define i32 @main() #0 {
entry:
%alloca = alloca { i64 }, align 8
store { i64 } zeroinitializer, ptr %alloca, align 8
%si = insertvalue { ptr, ptr, ptr } undef, ptr %alloca, 0
%siN = insertvalue { ptr, ptr, ptr } %si, ptr @__thunk_GPA_Allocator_alloc, 1
%siN = insertvalue { ptr, ptr, ptr } %siN, ptr @__thunk_GPA_Allocator_dealloc, 2
%siN = insertvalue { { ptr, ptr, ptr }, ptr } undef, { ptr, ptr, ptr } %siN, 0
%siN = insertvalue { { ptr, ptr, ptr }, ptr } %siN, ptr null, 1
store { { ptr, ptr, ptr }, ptr } %siN, ptr @context, align 8
%gload = load i1, ptr @g_should_call, align 1
br i1 %gload, label %if.then.0, label %if.merge.1
if.then.0: ; preds = %entry
call void @unused_jni(ptr @__sx_default_context, ptr null, ptr null)
br label %if.merge.1
if.merge.1: ; preds = %if.then.0, %entry
%allocaN = alloca { ptr, i64 }, align 8
%gep = getelementptr inbounds { ptr, i64 }, ptr %allocaN, i32 0, i32 0
store ptr null, ptr %gep, align 8
%gepN = getelementptr inbounds { ptr, i64 }, ptr %allocaN, i32 0, i32 1
store i64 0, ptr %gepN, align 8
%allocaN = alloca { ptr, i64 }, align 8
store { ptr, i64 } { ptr @str.4, i64 3 }, ptr %allocaN, align 8
%allocaN = alloca { ptr, i64 }, align 8
store { ptr, i64 } { ptr @str.5, i64 0 }, ptr %allocaN, align 8
%load = load { ptr, i64 }, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%call = call { ptr, i64 } @substr(ptr @__sx_default_context, { ptr, i64 } %loadN, i64 0, i64 3)
%callN = call { ptr, i64 } @concat(ptr @__sx_default_context, { ptr, i64 } %load, { ptr, i64 } %call)
store { ptr, i64 } %callN, ptr %allocaN, align 8
%loadN = load { ptr, i64 }, ptr %allocaN, align 8
%str.ptr = extractvalue { ptr, i64 } %loadN, 0
%str.len = extractvalue { ptr, i64 } %loadN, 1
%0 = call i64 @write(i32 1, ptr %str.ptr, i64 %str.len)
ret i32 0
}
; Function Attrs: nounwind
define internal ptr @__thunk_CAllocator_Allocator_alloc(ptr %0, ptr %1, i64 %2) #0 {
entry:
%call = call ptr @CAllocator.alloc(ptr %0, ptr %1, i64 %2)
ret ptr %call
}
; Function Attrs: nounwind
define internal void @__thunk_CAllocator_Allocator_dealloc(ptr %0, ptr %1, ptr %2) #0 {
entry:
call void @CAllocator.dealloc(ptr %0, ptr %1, ptr %2)
ret void
}
; Function Attrs: nounwind
define internal ptr @__thunk_GPA_Allocator_alloc(ptr %0, ptr %1, i64 %2) #0 {
entry:
%call = call ptr @GPA.alloc(ptr %0, ptr %1, i64 %2)
ret ptr %call
}
; Function Attrs: nounwind
define internal void @__thunk_GPA_Allocator_dealloc(ptr %0, ptr %1, ptr %2) #0 {
entry:
call void @GPA.dealloc(ptr %0, ptr %1, ptr %2)
ret void
}
; Function Attrs: nounwind
declare ptr @sx_jni_env_tl_get() #0
; Function Attrs: nounwind
declare void @sx_jni_env_tl_set(ptr) #0
declare i64 @write(i32, ptr, i64)
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