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implement compress option reduce_funcs (#2466)

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- inline single-use function declarations as expressions when permissible
- depend on `reduce_vars`
- enabled by default
- disable for speed critical code

fixes #2464
This commit is contained in:
Alex Lam S.L
2017-11-11 05:59:35 +08:00
committed by GitHub
parent 94525d859f
commit 3c74047368
22 changed files with 335 additions and 11 deletions
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11
test/compress/evaluate.js
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@@ -251,6 +251,7 @@ unsafe_constant: {
unsafe_object: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
@@ -279,6 +280,7 @@ unsafe_object: {
unsafe_object_nested: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
@@ -307,6 +309,7 @@ unsafe_object_nested: {
unsafe_object_complex: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
@@ -335,6 +338,7 @@ unsafe_object_complex: {
unsafe_object_repeated: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
@@ -363,6 +367,7 @@ unsafe_object_repeated: {
unsafe_object_accessor: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
unsafe: true,
}
@@ -663,6 +668,7 @@ call_args: {
options = {
evaluate: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
}
@@ -686,6 +692,7 @@ call_args_drop_param: {
evaluate: true,
inline: true,
keep_fargs: false,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
@@ -1016,6 +1023,7 @@ Infinity_NaN_undefined_LHS: {
issue_1964_1: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
unsafe_regexp: false,
unused: true,
@@ -1045,6 +1053,7 @@ issue_1964_1: {
issue_1964_2: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
unsafe_regexp: true,
unused: true,
@@ -1201,6 +1210,7 @@ issue_2231_2: {
self_comparison_1: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
@@ -1221,6 +1231,7 @@ self_comparison_2: {
evaluate: true,
hoist_props: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,