mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-01 22:02:45 +01:00
Richard Smith
7553d864e1
Form a side table with constant values for each instruction. Evaluation is only supported for a few very simple kinds of instruction for now. This is not observable outside of the SemIR output, because nothing depends on expressions having a constant value phase yet.
44 lines
1.5 KiB
Plaintext
44 lines
1.5 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 F() -> i32 {
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var n: i32 = 0;
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var p: i32* = &n;
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return *p;
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}
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// CHECK:STDOUT: --- basic.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.loc8: i32 = int_literal 0, const
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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, {.F = %F}
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// CHECK:STDOUT: %F: <function> = fn_decl @F, const
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() -> i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %n.var: ref i32 = var n
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// CHECK:STDOUT: %n: ref i32 = bind_name n, %n.var
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// CHECK:STDOUT: %.loc8: i32 = int_literal 0, const = constants.%.loc8
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// CHECK:STDOUT: assign %n.var, %.loc8
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// CHECK:STDOUT: %.loc9_13: type = ptr_type i32, const
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// CHECK:STDOUT: %p.var: ref i32* = var p
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// CHECK:STDOUT: %p: ref i32* = bind_name p, %p.var
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// CHECK:STDOUT: %n.ref: ref i32 = name_ref n, %n
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// CHECK:STDOUT: %.loc9_17: i32* = addr_of %n.ref
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// CHECK:STDOUT: assign %p.var, %.loc9_17
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// CHECK:STDOUT: %p.ref: ref i32* = name_ref p, %p
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// CHECK:STDOUT: %.loc11_11: i32* = bind_value %p.ref
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// CHECK:STDOUT: %.loc11_10.1: ref i32 = deref %.loc11_11
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// CHECK:STDOUT: %.loc11_10.2: i32 = bind_value %.loc11_10.1
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// CHECK:STDOUT: return %.loc11_10.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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