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| author | Christian Parpart <christian@parpart.family> | 2018-10-17 17:33:35 +0800 |
|---|---|---|
| committer | Christian Parpart <christian@ethereum.org> | 2018-10-26 19:13:57 +0800 |
| commit | f08ab772499923ccea29806525c7f2589bc5b343 (patch) | |
| tree | 86a1aa93b0af67c528182858662a0b306743d189 /test | |
| parent | 41375b5d79a77d392922f36f149d5bef269303e6 (diff) | |
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Yul: Implements empty-var-decl-propagation
Diffstat (limited to 'test')
9 files changed, 105 insertions, 0 deletions
diff --git a/test/libyul/YulOptimizerTest.cpp b/test/libyul/YulOptimizerTest.cpp index 0378764d..d455c892 100644 --- a/test/libyul/YulOptimizerTest.cpp +++ b/test/libyul/YulOptimizerTest.cpp @@ -22,6 +22,7 @@ #include <test/Options.h> #include <libyul/optimiser/BlockFlattener.h> +#include <libyul/optimiser/VarDeclPropagator.h> #include <libyul/optimiser/Disambiguator.h> #include <libyul/optimiser/CommonSubexpressionEliminator.h> #include <libyul/optimiser/NameCollector.h> @@ -102,6 +103,11 @@ bool YulOptimizerTest::run(ostream& _stream, string const& _linePrefix, bool con disambiguate(); BlockFlattener{}(*m_ast); } + else if (m_optimizerStep == "varDeclPropagator") + { + disambiguate(); + VarDeclPropagator{}(*m_ast); + } else if (m_optimizerStep == "commonSubexpressionEliminator") { disambiguate(); diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/init_assignment_inside_if.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/init_assignment_inside_if.yul new file mode 100644 index 00000000..54fea2fb --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/init_assignment_inside_if.yul @@ -0,0 +1,17 @@ +{ + let a := 4 + let x + if a { + x := 2 + } +} +// ---- +// varDeclPropagator +// { +// let a := 4 +// let x +// if a +// { +// x := 2 +// } +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/multi_assignment_vardecl.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/multi_assignment_vardecl.yul new file mode 100644 index 00000000..4ac07031 --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/multi_assignment_vardecl.yul @@ -0,0 +1,13 @@ +{ + function f() -> a, b, c {} + let x, y, z + z, x, y := f() +} +// ---- +// varDeclPropagator +// { +// function f() -> a, b, c +// { +// } +// let z, x, y := f() +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/overwrite.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/overwrite.yul new file mode 100644 index 00000000..ca921500 --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/overwrite.yul @@ -0,0 +1,11 @@ +{ + let a + a := 4 + a := 5 +} +// ---- +// varDeclPropagator +// { +// let a := 4 +// a := 5 +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/rewrite_removes_unused_var.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/rewrite_removes_unused_var.yul new file mode 100644 index 00000000..3affcac6 --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/rewrite_removes_unused_var.yul @@ -0,0 +1,10 @@ +{ + let a, b + a := mload(0) +} +// ---- +// varDeclPropagator +// { +// let b +// let a := mload(0) +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/simple1.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/simple1.yul new file mode 100644 index 00000000..117e0cc9 --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/simple1.yul @@ -0,0 +1,9 @@ +{ + let f + f := mload(0) +} +// ---- +// varDeclPropagator +// { +// let f := mload(0) +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/split_assign_splits_vardecl.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/split_assign_splits_vardecl.yul new file mode 100644 index 00000000..e8c91e10 --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/split_assign_splits_vardecl.yul @@ -0,0 +1,11 @@ +{ + let a, b + a := mload(0) + b := mload(1) +} +// ---- +// varDeclPropagator +// { +// let a := mload(0) +// let b := mload(1) +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/use_before_init.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/use_before_init.yul new file mode 100644 index 00000000..5312112a --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/use_before_init.yul @@ -0,0 +1,12 @@ +{ + let b + let a := b + b := 1 +} +// ---- +// varDeclPropagator +// { +// let b +// let a := b +// b := 1 +// } diff --git a/test/libyul/yulOptimizerTests/varDeclPropagator/use_doesnt_rewrite.yul b/test/libyul/yulOptimizerTests/varDeclPropagator/use_doesnt_rewrite.yul new file mode 100644 index 00000000..e27785dd --- /dev/null +++ b/test/libyul/yulOptimizerTests/varDeclPropagator/use_doesnt_rewrite.yul @@ -0,0 +1,16 @@ +{ + function f(x) {} + let a + f(a) + a := 4 +} +// ---- +// varDeclPropagator +// { +// function f(x) +// { +// } +// let a +// f(a) +// a := 4 +// } |