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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
29c294880d
Rather than producing multiple constants with the same value, fold all instances of a given constant to the same constant instruction. A future PR will use this to replace the current type canonicalization system.
49 lines
2.0 KiB
Plaintext
49 lines
2.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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fn A() { if (true) { var n: i32 = 1; } if (true) { var n: i32 = 2; } }
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// CHECK:STDOUT: --- duplicate_name_same_line.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: bool = bool_literal true [template]
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// CHECK:STDOUT: %.2: i32 = int_literal 1 [template]
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// CHECK:STDOUT: %.3: i32 = int_literal 2 [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace package, {.A = %A} [template]
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// CHECK:STDOUT: %A: <function> = fn_decl @A [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @A() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %.loc7_14: bool = bool_literal true [template = constants.%.1]
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// CHECK:STDOUT: if %.loc7_14 br !if.then.loc7_18 else br !if.else.loc7_18
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc7_18:
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// CHECK:STDOUT: %n.var.loc7_26: ref i32 = var n
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// CHECK:STDOUT: %n.loc7_26: ref i32 = bind_name n, %n.var.loc7_26
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// CHECK:STDOUT: %.loc7_35: i32 = int_literal 1 [template = constants.%.2]
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// CHECK:STDOUT: assign %n.var.loc7_26, %.loc7_35
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// CHECK:STDOUT: br !if.else.loc7_18
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc7_18:
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// CHECK:STDOUT: %.loc7_44: bool = bool_literal true [template = constants.%.1]
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// CHECK:STDOUT: if %.loc7_44 br !if.then.loc7_48 else br !if.else.loc7_48
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc7_48:
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// CHECK:STDOUT: %n.var.loc7_56: ref i32 = var n
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// CHECK:STDOUT: %n.loc7_56: ref i32 = bind_name n, %n.var.loc7_56
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// CHECK:STDOUT: %.loc7_65: i32 = int_literal 2 [template = constants.%.3]
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// CHECK:STDOUT: assign %n.var.loc7_56, %.loc7_65
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// CHECK:STDOUT: br !if.else.loc7_48
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc7_48:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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