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Convert literals to i32 when forming an i32-typed int_literal instruction. (#3814)

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This is temporary: eventually per the design we should be forming
integer literals whose types reflect their values. But for now we should
ensure that values fit within their types.

This also fixes canonicalization of integer constants and hence of array
types, because we no longer have multiple different representations of
each `i32` value depending on the bit-width used for the literal.
This commit is contained in:
Richard Smith
2024-03-26 19:56:11 +00:00
committed by GitHub
parent cae63a2b5b
commit 3763d0130a
27 changed files with 463 additions and 313 deletions
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toolchain/check/testdata/array/function_param.carbon
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+5 -7
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@@ -22,9 +22,7 @@ fn G() -> i32 {
// CHECK:STDOUT: %.5: i32 = int_literal 2 [template]
// CHECK:STDOUT: %.6: type = tuple_type (i32, i32, i32) [template]
// CHECK:STDOUT: %.7: i32 = int_literal 0 [template]
// CHECK:STDOUT: %.8: i32 = int_literal 1 [template]
// CHECK:STDOUT: %.9: i32 = int_literal 2 [template]
// CHECK:STDOUT: %.10: [i32; 3] = tuple_value (%.4, %.5, %.1) [template]
// CHECK:STDOUT: %.8: [i32; 3] = tuple_value (%.4, %.5, %.1) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
@@ -68,14 +66,14 @@ fn G() -> i32 {
// CHECK:STDOUT: %.loc12_20.3: i32 = int_literal 0 [template = constants.%.7]
// CHECK:STDOUT: %.loc12_20.4: ref i32 = array_index %.loc12_20.2, %.loc12_20.3
// CHECK:STDOUT: %.loc12_20.5: init i32 = initialize_from %.loc12_13 to %.loc12_20.4 [template = constants.%.4]
// CHECK:STDOUT: %.loc12_20.6: i32 = int_literal 1 [template = constants.%.8]
// CHECK:STDOUT: %.loc12_20.6: i32 = int_literal 1 [template = constants.%.4]
// CHECK:STDOUT: %.loc12_20.7: ref i32 = array_index %.loc12_20.2, %.loc12_20.6
// CHECK:STDOUT: %.loc12_20.8: init i32 = initialize_from %.loc12_16 to %.loc12_20.7 [template = constants.%.5]
// CHECK:STDOUT: %.loc12_20.9: i32 = int_literal 2 [template = constants.%.9]
// CHECK:STDOUT: %.loc12_20.9: i32 = int_literal 2 [template = constants.%.5]
// CHECK:STDOUT: %.loc12_20.10: ref i32 = array_index %.loc12_20.2, %.loc12_20.9
// CHECK:STDOUT: %.loc12_20.11: init i32 = initialize_from %.loc12_19 to %.loc12_20.10 [template = constants.%.1]
// CHECK:STDOUT: %.loc12_20.12: init [i32; 3] = array_init (%.loc12_20.5, %.loc12_20.8, %.loc12_20.11) to %.loc12_20.2 [template = constants.%.10]
// CHECK:STDOUT: %.loc12_20.13: init [i32; 3] = converted %.loc12_20.1, %.loc12_20.12 [template = constants.%.10]
// CHECK:STDOUT: %.loc12_20.12: init [i32; 3] = array_init (%.loc12_20.5, %.loc12_20.8, %.loc12_20.11) to %.loc12_20.2 [template = constants.%.8]
// CHECK:STDOUT: %.loc12_20.13: init [i32; 3] = converted %.loc12_20.1, %.loc12_20.12 [template = constants.%.8]
// CHECK:STDOUT: %.loc12_20.14: ref [i32; 3] = temporary %.loc12_20.2, %.loc12_20.13
// CHECK:STDOUT: %.loc12_20.15: [i32; 3] = bind_value %.loc12_20.14
// CHECK:STDOUT: %.loc12_11.1: init i32 = call %F.ref(%.loc12_20.15, %.loc12_23)