mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 17:11:04 +01:00
Richard Smith
428d11323a
If the initializing representation is the same as the value representation, don't materialize a temporary and perform a value binding. Instead, directly extract the value, using a new `value_of_initializer` node. This removes a lot of redundant `alloca`s from our generated LLVM IR.
139 lines
4.9 KiB
Plaintext
139 lines
4.9 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() -> bool;
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fn B() -> bool;
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fn C() -> bool;
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fn D() -> bool;
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fn E() -> bool;
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fn F() -> bool;
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fn G() -> bool;
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fn H() -> bool;
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fn While() {
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while (A()) {
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if (B()) { continue; }
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if (C()) { break; }
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while (D()) {
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if (E()) { continue; }
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if (F()) { break; }
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}
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if (G()) { continue; }
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if (H()) { break; }
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}
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}
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// CHECK:STDOUT: file "break_continue.carbon" {
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// CHECK:STDOUT: %A: <function> = fn_decl @A
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// CHECK:STDOUT: %B: <function> = fn_decl @B
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// CHECK:STDOUT: %C: <function> = fn_decl @C
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// CHECK:STDOUT: %D: <function> = fn_decl @D
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// CHECK:STDOUT: %E: <function> = fn_decl @E
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// CHECK:STDOUT: %F: <function> = fn_decl @F
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// CHECK:STDOUT: %G: <function> = fn_decl @G
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// CHECK:STDOUT: %H: <function> = fn_decl @H
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// CHECK:STDOUT: %While: <function> = fn_decl @While
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @A() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @B() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @C() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @D() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @E() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @G() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @H() -> bool;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @While() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: br !while.cond.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !while.cond.loc17:
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// CHECK:STDOUT: %A.ref: <function> = name_reference "A", file.%A
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// CHECK:STDOUT: %.loc17_11: init bool = call %A.ref()
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// CHECK:STDOUT: %.loc17_13: bool = value_of_initializer %.loc17_11
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// CHECK:STDOUT: if %.loc17_13 br !while.body.loc17 else br !while.done.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !while.body.loc17:
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// CHECK:STDOUT: %B.ref: <function> = name_reference "B", file.%B
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// CHECK:STDOUT: %.loc18_10: init bool = call %B.ref()
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// CHECK:STDOUT: %.loc18_12: bool = value_of_initializer %.loc18_10
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// CHECK:STDOUT: if %.loc18_12 br !if.then.loc18 else br !if.else.loc18
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc18:
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// CHECK:STDOUT: br !while.cond.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc18:
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// CHECK:STDOUT: %C.ref: <function> = name_reference "C", file.%C
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// CHECK:STDOUT: %.loc19_10: init bool = call %C.ref()
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// CHECK:STDOUT: %.loc19_12: bool = value_of_initializer %.loc19_10
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// CHECK:STDOUT: if %.loc19_12 br !if.then.loc19 else br !if.else.loc19
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc19:
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// CHECK:STDOUT: br !while.done.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc19:
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// CHECK:STDOUT: br !while.cond.loc20
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// CHECK:STDOUT:
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// CHECK:STDOUT: !while.cond.loc20:
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// CHECK:STDOUT: %D.ref: <function> = name_reference "D", file.%D
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// CHECK:STDOUT: %.loc20_13: init bool = call %D.ref()
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// CHECK:STDOUT: %.loc20_15: bool = value_of_initializer %.loc20_13
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// CHECK:STDOUT: if %.loc20_15 br !while.body.loc20 else br !while.done.loc20
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// CHECK:STDOUT:
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// CHECK:STDOUT: !while.body.loc20:
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// CHECK:STDOUT: %E.ref: <function> = name_reference "E", file.%E
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// CHECK:STDOUT: %.loc21_12: init bool = call %E.ref()
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// CHECK:STDOUT: %.loc21_14: bool = value_of_initializer %.loc21_12
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// CHECK:STDOUT: if %.loc21_14 br !if.then.loc21 else br !if.else.loc21
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc21:
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// CHECK:STDOUT: br !while.cond.loc20
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc21:
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// CHECK:STDOUT: %F.ref: <function> = name_reference "F", file.%F
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// CHECK:STDOUT: %.loc22_12: init bool = call %F.ref()
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// CHECK:STDOUT: %.loc22_14: bool = value_of_initializer %.loc22_12
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// CHECK:STDOUT: if %.loc22_14 br !if.then.loc22 else br !if.else.loc22
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc22:
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// CHECK:STDOUT: br !while.done.loc20
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc22:
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// CHECK:STDOUT: br !while.cond.loc20
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// CHECK:STDOUT:
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// CHECK:STDOUT: !while.done.loc20:
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// CHECK:STDOUT: %G.ref: <function> = name_reference "G", file.%G
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// CHECK:STDOUT: %.loc24_10: init bool = call %G.ref()
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// CHECK:STDOUT: %.loc24_12: bool = value_of_initializer %.loc24_10
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// CHECK:STDOUT: if %.loc24_12 br !if.then.loc24 else br !if.else.loc24
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc24:
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// CHECK:STDOUT: br !while.cond.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc24:
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// CHECK:STDOUT: %H.ref: <function> = name_reference "H", file.%H
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// CHECK:STDOUT: %.loc25_10: init bool = call %H.ref()
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// CHECK:STDOUT: %.loc25_12: bool = value_of_initializer %.loc25_10
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// CHECK:STDOUT: if %.loc25_12 br !if.then.loc25 else br !if.else.loc25
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then.loc25:
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// CHECK:STDOUT: br !while.done.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else.loc25:
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// CHECK:STDOUT: br !while.cond.loc17
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// CHECK:STDOUT:
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// CHECK:STDOUT: !while.done.loc17:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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