mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-03 10:35:49 +01:00
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.
132 lines
7.8 KiB
Plaintext
132 lines
7.8 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() {
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// 8 and 9 trigger special behavior in APInt when mishandling signed versus
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// unsigned, so we pay extra attention to those.
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var ints: [i32; 5] = (
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8,
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9,
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0x8,
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0b1000,
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39999999999999999993,
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);
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var floats: [f64; 7] = (
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0.9,
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8.0,
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80.0,
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1.0e7,
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1.0e8,
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1.0e-8,
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39999999999999999993.0e39999999999999999993,
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);
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}
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// CHECK:STDOUT: --- numeric_literals.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: i32 = int_literal 5 [template]
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// CHECK:STDOUT: %.2: type = array_type %.1, i32 [template]
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// CHECK:STDOUT: %.3: type = ptr_type [i32; 5] [template]
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// CHECK:STDOUT: %.4: i32 = int_literal 8 [template]
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// CHECK:STDOUT: %.5: i32 = int_literal 9 [template]
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// CHECK:STDOUT: %.6: i32 = int_literal 39999999999999999993 [template]
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// CHECK:STDOUT: %.7: type = tuple_type (i32, i32, i32, i32, i32) [template]
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// CHECK:STDOUT: %.8: i32 = int_literal 0 [template]
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// CHECK:STDOUT: %.9: i32 = int_literal 1 [template]
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// CHECK:STDOUT: %.10: i32 = int_literal 2 [template]
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// CHECK:STDOUT: %.11: i32 = int_literal 3 [template]
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// CHECK:STDOUT: %.12: i32 = int_literal 4 [template]
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// CHECK:STDOUT: %.13: i32 = int_literal 7 [template]
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// CHECK:STDOUT: %.14: type = array_type %.13, f64 [template]
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// CHECK:STDOUT: %.15: type = ptr_type [f64; 7] [template]
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// CHECK:STDOUT: %.16: f64 = real_literal 9e-1 [template]
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// CHECK:STDOUT: %.17: f64 = real_literal 80e-1 [template]
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// CHECK:STDOUT: %.18: f64 = real_literal 800e-1 [template]
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// CHECK:STDOUT: %.19: f64 = real_literal 10e6 [template]
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// CHECK:STDOUT: %.20: f64 = real_literal 10e7 [template]
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// CHECK:STDOUT: %.21: f64 = real_literal 10e-9 [template]
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// CHECK:STDOUT: %.22: f64 = real_literal 399999999999999999930e39999999999999999992 [template]
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// CHECK:STDOUT: %.23: type = tuple_type (f64, f64, f64, f64, f64, f64, f64) [template]
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// CHECK:STDOUT: %.24: i32 = int_literal 5 [template]
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// CHECK:STDOUT: %.25: i32 = int_literal 6 [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, {.F = %F} [template]
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// CHECK:STDOUT: %F: <function> = fn_decl @F [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %.loc10_19: i32 = int_literal 5 [template = constants.%.1]
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// CHECK:STDOUT: %.loc10_20: type = array_type %.loc10_19, i32 [template = constants.%.2]
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// CHECK:STDOUT: %ints.var: ref [i32; 5] = var ints
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// CHECK:STDOUT: %ints: ref [i32; 5] = bind_name ints, %ints.var
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// CHECK:STDOUT: %.loc11: i32 = int_literal 8 [template = constants.%.4]
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// CHECK:STDOUT: %.loc12: i32 = int_literal 9 [template = constants.%.5]
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// CHECK:STDOUT: %.loc13: i32 = int_literal 8 [template = constants.%.4]
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// CHECK:STDOUT: %.loc14: i32 = int_literal 8 [template = constants.%.4]
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// CHECK:STDOUT: %.loc15: i32 = int_literal 39999999999999999993 [template = constants.%.6]
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// CHECK:STDOUT: %.loc16_3.1: (i32, i32, i32, i32, i32) = tuple_literal (%.loc11, %.loc12, %.loc13, %.loc14, %.loc15)
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// CHECK:STDOUT: %.loc16_3.2: i32 = int_literal 0 [template = constants.%.8]
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// CHECK:STDOUT: %.loc16_3.3: ref i32 = array_index %ints.var, %.loc16_3.2
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// CHECK:STDOUT: %.loc16_3.4: init i32 = initialize_from %.loc11 to %.loc16_3.3
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// CHECK:STDOUT: %.loc16_3.5: i32 = int_literal 1 [template = constants.%.9]
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// CHECK:STDOUT: %.loc16_3.6: ref i32 = array_index %ints.var, %.loc16_3.5
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// CHECK:STDOUT: %.loc16_3.7: init i32 = initialize_from %.loc12 to %.loc16_3.6
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// CHECK:STDOUT: %.loc16_3.8: i32 = int_literal 2 [template = constants.%.10]
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// CHECK:STDOUT: %.loc16_3.9: ref i32 = array_index %ints.var, %.loc16_3.8
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// CHECK:STDOUT: %.loc16_3.10: init i32 = initialize_from %.loc13 to %.loc16_3.9
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// CHECK:STDOUT: %.loc16_3.11: i32 = int_literal 3 [template = constants.%.11]
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// CHECK:STDOUT: %.loc16_3.12: ref i32 = array_index %ints.var, %.loc16_3.11
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// CHECK:STDOUT: %.loc16_3.13: init i32 = initialize_from %.loc14 to %.loc16_3.12
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// CHECK:STDOUT: %.loc16_3.14: i32 = int_literal 4 [template = constants.%.12]
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// CHECK:STDOUT: %.loc16_3.15: ref i32 = array_index %ints.var, %.loc16_3.14
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// CHECK:STDOUT: %.loc16_3.16: init i32 = initialize_from %.loc15 to %.loc16_3.15
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// CHECK:STDOUT: %.loc16_3.17: init [i32; 5] = array_init (%.loc16_3.4, %.loc16_3.7, %.loc16_3.10, %.loc16_3.13, %.loc16_3.16) to %ints.var
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// CHECK:STDOUT: %.loc16_3.18: init [i32; 5] = converted %.loc16_3.1, %.loc16_3.17
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// CHECK:STDOUT: assign %ints.var, %.loc16_3.18
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// CHECK:STDOUT: %.loc17_21: i32 = int_literal 7 [template = constants.%.13]
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// CHECK:STDOUT: %.loc17_22: type = array_type %.loc17_21, f64 [template = constants.%.14]
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// CHECK:STDOUT: %floats.var: ref [f64; 7] = var floats
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// CHECK:STDOUT: %floats: ref [f64; 7] = bind_name floats, %floats.var
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// CHECK:STDOUT: %.loc18: f64 = real_literal 9e-1 [template = constants.%.16]
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// CHECK:STDOUT: %.loc19: f64 = real_literal 80e-1 [template = constants.%.17]
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// CHECK:STDOUT: %.loc20: f64 = real_literal 800e-1 [template = constants.%.18]
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// CHECK:STDOUT: %.loc21: f64 = real_literal 10e6 [template = constants.%.19]
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// CHECK:STDOUT: %.loc22: f64 = real_literal 10e7 [template = constants.%.20]
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// CHECK:STDOUT: %.loc23: f64 = real_literal 10e-9 [template = constants.%.21]
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// CHECK:STDOUT: %.loc24: f64 = real_literal 399999999999999999930e39999999999999999992 [template = constants.%.22]
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// CHECK:STDOUT: %.loc25_3.1: (f64, f64, f64, f64, f64, f64, f64) = tuple_literal (%.loc18, %.loc19, %.loc20, %.loc21, %.loc22, %.loc23, %.loc24)
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// CHECK:STDOUT: %.loc25_3.2: i32 = int_literal 0 [template = constants.%.8]
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// CHECK:STDOUT: %.loc25_3.3: ref f64 = array_index %floats.var, %.loc25_3.2
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// CHECK:STDOUT: %.loc25_3.4: init f64 = initialize_from %.loc18 to %.loc25_3.3
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// CHECK:STDOUT: %.loc25_3.5: i32 = int_literal 1 [template = constants.%.9]
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// CHECK:STDOUT: %.loc25_3.6: ref f64 = array_index %floats.var, %.loc25_3.5
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// CHECK:STDOUT: %.loc25_3.7: init f64 = initialize_from %.loc19 to %.loc25_3.6
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// CHECK:STDOUT: %.loc25_3.8: i32 = int_literal 2 [template = constants.%.10]
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// CHECK:STDOUT: %.loc25_3.9: ref f64 = array_index %floats.var, %.loc25_3.8
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// CHECK:STDOUT: %.loc25_3.10: init f64 = initialize_from %.loc20 to %.loc25_3.9
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// CHECK:STDOUT: %.loc25_3.11: i32 = int_literal 3 [template = constants.%.11]
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// CHECK:STDOUT: %.loc25_3.12: ref f64 = array_index %floats.var, %.loc25_3.11
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// CHECK:STDOUT: %.loc25_3.13: init f64 = initialize_from %.loc21 to %.loc25_3.12
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// CHECK:STDOUT: %.loc25_3.14: i32 = int_literal 4 [template = constants.%.12]
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// CHECK:STDOUT: %.loc25_3.15: ref f64 = array_index %floats.var, %.loc25_3.14
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// CHECK:STDOUT: %.loc25_3.16: init f64 = initialize_from %.loc22 to %.loc25_3.15
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// CHECK:STDOUT: %.loc25_3.17: i32 = int_literal 5 [template = constants.%.24]
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// CHECK:STDOUT: %.loc25_3.18: ref f64 = array_index %floats.var, %.loc25_3.17
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// CHECK:STDOUT: %.loc25_3.19: init f64 = initialize_from %.loc23 to %.loc25_3.18
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// CHECK:STDOUT: %.loc25_3.20: i32 = int_literal 6 [template = constants.%.25]
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// CHECK:STDOUT: %.loc25_3.21: ref f64 = array_index %floats.var, %.loc25_3.20
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// CHECK:STDOUT: %.loc25_3.22: init f64 = initialize_from %.loc24 to %.loc25_3.21
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// CHECK:STDOUT: %.loc25_3.23: init [f64; 7] = array_init (%.loc25_3.4, %.loc25_3.7, %.loc25_3.10, %.loc25_3.13, %.loc25_3.16, %.loc25_3.19, %.loc25_3.22) to %floats.var
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// CHECK:STDOUT: %.loc25_3.24: init [f64; 7] = converted %.loc25_3.1, %.loc25_3.23
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// CHECK:STDOUT: assign %floats.var, %.loc25_3.24
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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