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Push a decl name scope before calling CalleePatternMatch() (#5771)

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Otherwise the return values of different functions collide.

Part of #5063.
This commit is contained in:
Boaz Brickner
2025-07-07 15:02:47 +00:00
committed by GitHub
parent 3f5b04f777
commit ff9154b978
2 changed files with 84 additions and 0 deletions
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toolchain/check/testdata/interop/cpp/function/return.carbon
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+80
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@@ -52,6 +52,31 @@ fn F() {
//@dump-sem-ir-end
}
// ============================================================================
// Multiple function with a return value
// ============================================================================
// --- multiple.h
auto foo1() -> short;
auto foo2() -> int;
// --- import_multiple.carbon
library "[[@TEST_NAME]]";
import Cpp library "multiple.h";
fn IngestI16(x: i16);
fn IngestI32(x: i32);
fn F() {
//@dump-sem-ir-begin
IngestI16(Cpp.foo1());
IngestI32(Cpp.foo2());
//@dump-sem-ir-end
}
// ============================================================================
// float
// ============================================================================
@@ -155,6 +180,61 @@ fn F() {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_multiple.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_16: Core.IntLiteral = int_value 16 [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %i16: type = class_type @Int, @Int(%int_16) [concrete]
// CHECK:STDOUT: %IngestI16.type: type = fn_type @IngestI16 [concrete]
// CHECK:STDOUT: %IngestI16: %IngestI16.type = struct_value () [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %IngestI32.type: type = fn_type @IngestI32 [concrete]
// CHECK:STDOUT: %IngestI32: %IngestI32.type = struct_value () [concrete]
// CHECK:STDOUT: %foo1.type: type = fn_type @foo1 [concrete]
// CHECK:STDOUT: %foo1: %foo1.type = struct_value () [concrete]
// CHECK:STDOUT: %foo2.type: type = fn_type @foo2 [concrete]
// CHECK:STDOUT: %foo2: %foo2.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo1 = %foo1.decl
// CHECK:STDOUT: .foo2 = %foo2.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo1.decl: %foo1.type = fn_decl @foo1 [concrete = constants.%foo1] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo2.decl: %foo2.type = fn_decl @foo2 [concrete = constants.%foo2] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %IngestI16.ref: %IngestI16.type = name_ref IngestI16, file.%IngestI16.decl [concrete = constants.%IngestI16]
// CHECK:STDOUT: %Cpp.ref.loc11: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo1.ref: %foo1.type = name_ref foo1, imports.%foo1.decl [concrete = constants.%foo1]
// CHECK:STDOUT: %foo1.call: init %i16 = call %foo1.ref()
// CHECK:STDOUT: %.loc11_22.1: %i16 = value_of_initializer %foo1.call
// CHECK:STDOUT: %.loc11_22.2: %i16 = converted %foo1.call, %.loc11_22.1
// CHECK:STDOUT: %IngestI16.call: init %empty_tuple.type = call %IngestI16.ref(%.loc11_22.2)
// CHECK:STDOUT: %IngestI32.ref: %IngestI32.type = name_ref IngestI32, file.%IngestI32.decl [concrete = constants.%IngestI32]
// CHECK:STDOUT: %Cpp.ref.loc12: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo2.ref: %foo2.type = name_ref foo2, imports.%foo2.decl [concrete = constants.%foo2]
// CHECK:STDOUT: %foo2.call: init %i32 = call %foo2.ref()
// CHECK:STDOUT: %.loc12_22.1: %i32 = value_of_initializer %foo2.call
// CHECK:STDOUT: %.loc12_22.2: %i32 = converted %foo2.call, %.loc12_22.1
// CHECK:STDOUT: %IngestI32.call: init %empty_tuple.type = call %IngestI32.ref(%.loc12_22.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_float.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {