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carbon-lang/toolchain/check/testdata/if_expr/constant_condition.carbon
T
Jon Ross-Perkins 30155dbb72 Add support for 'package' in expressions. (#3445)
This creates a namespace for `package` scope.

It looks like names of class_decls in namespaces lead to an unexpected
instref. This is already true, as best as I can tell. I'm not sure if
there's a preferred approach to address that, so I've left a TODO for
now.
2023-12-04 21:05:41 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
fn A() -> i32 { return 1; }
fn B() -> i32 { return 2; }
fn F() -> i32 {
return if true then A() else B();
}
fn G() -> i32 {
return if false then A() else B();
}
// CHECK:STDOUT: --- constant_condition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace {.A = %A, .B = %B, .F = %F, .G = %G}
// CHECK:STDOUT: %A: <function> = fn_decl @A
// CHECK:STDOUT: %B: <function> = fn_decl @B
// CHECK:STDOUT: %F: <function> = fn_decl @F
// CHECK:STDOUT: %G: <function> = fn_decl @G
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7: i32 = int_literal 1
// CHECK:STDOUT: return %.loc7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc8: i32 = int_literal 2
// CHECK:STDOUT: return %.loc8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc11_13: bool = bool_literal true
// CHECK:STDOUT: if %.loc11_13 br !if.expr.then else br !if.expr.else
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then:
// CHECK:STDOUT: %A.ref: <function> = name_ref A, file.%A
// CHECK:STDOUT: %.loc11_24.1: init i32 = call %A.ref()
// CHECK:STDOUT: %.loc11_24.2: i32 = value_of_initializer %.loc11_24.1
// CHECK:STDOUT: %.loc11_24.3: i32 = converted %.loc11_24.1, %.loc11_24.2
// CHECK:STDOUT: br !if.expr.result(%.loc11_24.3)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else:
// CHECK:STDOUT: %B.ref: <function> = name_ref B, file.%B
// CHECK:STDOUT: %.loc11_33: init i32 = call %B.ref()
// CHECK:STDOUT: %.loc11_27.1: i32 = value_of_initializer %.loc11_33
// CHECK:STDOUT: %.loc11_27.2: i32 = converted %.loc11_33, %.loc11_27.1
// CHECK:STDOUT: br !if.expr.result(%.loc11_27.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result:
// CHECK:STDOUT: %.loc11_10: i32 = block_arg !if.expr.result
// CHECK:STDOUT: return %.loc11_10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc15_13: bool = bool_literal false
// CHECK:STDOUT: if %.loc15_13 br !if.expr.then else br !if.expr.else
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then:
// CHECK:STDOUT: %A.ref: <function> = name_ref A, file.%A
// CHECK:STDOUT: %.loc15_25.1: init i32 = call %A.ref()
// CHECK:STDOUT: %.loc15_25.2: i32 = value_of_initializer %.loc15_25.1
// CHECK:STDOUT: %.loc15_25.3: i32 = converted %.loc15_25.1, %.loc15_25.2
// CHECK:STDOUT: br !if.expr.result(%.loc15_25.3)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else:
// CHECK:STDOUT: %B.ref: <function> = name_ref B, file.%B
// CHECK:STDOUT: %.loc15_34: init i32 = call %B.ref()
// CHECK:STDOUT: %.loc15_28.1: i32 = value_of_initializer %.loc15_34
// CHECK:STDOUT: %.loc15_28.2: i32 = converted %.loc15_34, %.loc15_28.1
// CHECK:STDOUT: br !if.expr.result(%.loc15_28.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result:
// CHECK:STDOUT: %.loc15_10: i32 = block_arg !if.expr.result
// CHECK:STDOUT: return %.loc15_10
// CHECK:STDOUT: }
// CHECK:STDOUT: