carbon-lang/toolchain/check/testdata/if_expr/constant_condition.carbon

// 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: constants {
// CHECK:STDOUT:   %.1: i32 = int_literal 1 [template]
// CHECK:STDOUT:   %.2: i32 = int_literal 2 [template]
// CHECK:STDOUT:   %.3: bool = bool_literal true [template]
// CHECK:STDOUT:   %.4: bool = bool_literal false [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .A = %A
// CHECK:STDOUT:     .B = %B
// CHECK:STDOUT:     .F = %F
// CHECK:STDOUT:     .G = %G
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %A: <function> = fn_decl @A [template] {
// CHECK:STDOUT:     %return.var.loc7: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %B: <function> = fn_decl @B [template] {
// CHECK:STDOUT:     %return.var.loc8: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %F: <function> = fn_decl @F [template] {
// CHECK:STDOUT:     %return.var.loc10: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %G: <function> = fn_decl @G [template] {
// CHECK:STDOUT:     %return.var.loc14: ref i32 = var <return slot>
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc7: i32 = int_literal 1 [template = constants.%.1]
// CHECK:STDOUT:   return %.loc7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc8: i32 = int_literal 2 [template = constants.%.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 [template = constants.%.3]
// 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 [template = 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 [template = file.%B]
// CHECK:STDOUT:   %.loc11_33.1: init i32 = call %B.ref()
// CHECK:STDOUT:   %.loc11_27: i32 = value_of_initializer %.loc11_33.1
// CHECK:STDOUT:   %.loc11_33.2: i32 = converted %.loc11_33.1, %.loc11_27
// CHECK:STDOUT:   br !if.expr.result(%.loc11_33.2)
// 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 [template = constants.%.4]
// 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 [template = 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 [template = file.%B]
// CHECK:STDOUT:   %.loc15_34.1: init i32 = call %B.ref()
// CHECK:STDOUT:   %.loc15_28: i32 = value_of_initializer %.loc15_34.1
// CHECK:STDOUT:   %.loc15_34.2: i32 = converted %.loc15_34.1, %.loc15_28
// CHECK:STDOUT:   br !if.expr.result(%.loc15_34.2)
// 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: