carbon-language/carbon-lang
1
0
Fork 0
mirror of https://github.com/carbon-language/carbon-lang.git synced 2026-10-06 07:24:42 +01:00
Code Issues Packages Projects Releases 10 Wiki Activity

Add GlobalInit to blocks to emit initialization instructions for globals (#3687)

Browse Source 
`GlobalInit` block is now static block within a `SemIR` which will be
used to emit initialization instructions for variables in the `Package`
scope.

inst_block_stack now has additional methods to handle `GlobalInit` block
separately, this block can be popped without being finalized allowing to
accumulate between all instances of variables.

At the end of the `check` phase, if this block is not empty , the
function `__global_init` will be added with this block being inserted
into it.

This block is pushed to `inst_block_scope` at the end `BindName`,
allowing instruction to be emitted into it, then popped at the semicolon
(VariableDecl).

This significantly changes the `SemIR` output, that's why this commit
updates a lot of the test cases.
This commit is contained in:
Gıyaseddin Tanrıkulu
2024-02-09 16:21:57 +00:00
committed by GitHub
parent 475ecca339
commit bdff7ccf28
94 changed files with 1256 additions and 604 deletions
Download Patch File Download Diff File Expand all files Collapse all files
toolchain/check/testdata/pointer/import.carbon
Vendored
+20 -10
View File
@@ -28,14 +28,19 @@ var a: i32* = a_ref;
// CHECK:STDOUT: package: <namespace> = namespace {.a_orig = %a_orig, .a_ref = %a_ref} [template]
// CHECK:STDOUT: %a_orig.var: ref i32 = var a_orig
// CHECK:STDOUT: %a_orig: ref i32 = bind_name a_orig, %a_orig.var
// CHECK:STDOUT: %.loc4: i32 = int_literal 0 [template = constants.%.1]
// CHECK:STDOUT: assign %a_orig.var, %.loc4
// CHECK:STDOUT: %.loc5_15: type = ptr_type i32 [template = constants.%.2]
// CHECK:STDOUT: %.loc5: type = ptr_type i32 [template = constants.%.2]
// CHECK:STDOUT: %a_ref.var: ref i32* = var a_ref
// CHECK:STDOUT: %a_ref: ref i32* = bind_name a_ref, %a_ref.var
// CHECK:STDOUT: %a_orig.ref: ref i32 = name_ref a_orig, %a_orig
// CHECK:STDOUT: %.loc5_19: i32* = addr_of %a_orig.ref
// CHECK:STDOUT: assign %a_ref.var, %.loc5_19
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc4: i32 = int_literal 0 [template = constants.%.1]
// CHECK:STDOUT: assign file.%a_orig.var, %.loc4
// CHECK:STDOUT: %a_orig.ref: ref i32 = name_ref a_orig, file.%a_orig
// CHECK:STDOUT: %.loc5: i32* = addr_of %a_orig.ref
// CHECK:STDOUT: assign file.%a_ref.var, %.loc5
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- implicit.impl.carbon
@@ -48,11 +53,16 @@ var a: i32* = a_ref;
// CHECK:STDOUT: package: <namespace> = namespace {.a_orig = %import_ref.1, .a_ref = %import_ref.2, .a = %a} [template]
// CHECK:STDOUT: %import_ref.1 = import_ref ir1, inst+2, unused
// CHECK:STDOUT: %import_ref.2: ref i32* = import_ref ir1, inst+9, used
// CHECK:STDOUT: %.loc4_11: type = ptr_type i32 [template = constants.%.1]
// CHECK:STDOUT: %.loc4: type = ptr_type i32 [template = constants.%.1]
// CHECK:STDOUT: %a.var: ref i32* = var a
// CHECK:STDOUT: %a: ref i32* = bind_name a, %a.var
// CHECK:STDOUT: %a_ref.ref: ref i32* = name_ref a_ref, %import_ref.2
// CHECK:STDOUT: %.loc4_15: i32* = bind_value %a_ref.ref
// CHECK:STDOUT: assign %a.var, %.loc4_15
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a_ref.ref: ref i32* = name_ref a_ref, file.%import_ref.2
// CHECK:STDOUT: %.loc4: i32* = bind_value %a_ref.ref
// CHECK:STDOUT: assign file.%a.var, %.loc4
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: