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-rw-r--r--test/libjulia/YulOptimizerTest.cpp6
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/if_condition.yul21
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/muli_wrong_order3.yul13
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/multi.yul11
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/multi_reference.yul11
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order.yul15
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order2.yul12
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_across_blocks.yul19
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition1.yul15
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition2.yul16
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/only_assignment.yul16
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/reassignment.yul13
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/simple.yul10
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/single_wrong_order.yul13
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/smoke.yul5
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/switch_expression.yul28
-rw-r--r--test/libjulia/yulOptimizerTests/expressionJoiner/triple.yul12
17 files changed, 236 insertions, 0 deletions
diff --git a/test/libjulia/YulOptimizerTest.cpp b/test/libjulia/YulOptimizerTest.cpp
index 96e36a5b..38765774 100644
--- a/test/libjulia/YulOptimizerTest.cpp
+++ b/test/libjulia/YulOptimizerTest.cpp
@@ -33,6 +33,7 @@
#include <libjulia/optimiser/Rematerialiser.h>
#include <libjulia/optimiser/ExpressionSimplifier.h>
#include <libjulia/optimiser/UnusedPruner.h>
+#include <libjulia/optimiser/ExpressionJoiner.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/inlineasm/AsmPrinter.h>
@@ -146,6 +147,11 @@ bool YulOptimizerTest::run(ostream& _stream, string const& _linePrefix, bool con
disambiguate();
UnusedPruner::runUntilStabilised(*m_ast);
}
+ else if (m_optimizerStep == "expressionJoiner")
+ {
+ disambiguate();
+ ExpressionJoiner::run(*m_ast);\
+ }
else
{
FormattedScope(_stream, _formatted, {formatting::BOLD, formatting::RED}) << _linePrefix << "Invalid optimizer step: " << m_optimizerStep << endl;
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/if_condition.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/if_condition.yul
new file mode 100644
index 00000000..a1349511
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/if_condition.yul
@@ -0,0 +1,21 @@
+{
+ let a := mload(3)
+ let b := sload(a)
+ let c := mload(7)
+ let d := add(c, b)
+ if d {
+ let x := mload(3)
+ let y := add(x, 3)
+ }
+ let z := 3
+ let t := add(z, 9)
+}
+// ----
+// expressionJoiner
+// {
+// if add(mload(7), sload(mload(3)))
+// {
+// let y := add(mload(3), 3)
+// }
+// let t := add(3, 9)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/muli_wrong_order3.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/muli_wrong_order3.yul
new file mode 100644
index 00000000..0d407c7c
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/muli_wrong_order3.yul
@@ -0,0 +1,13 @@
+{
+ let a := mload(3)
+ let b := mload(6)
+ let x := mul(add(b, a), mload(2))
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// let a := mload(3)
+// let b := mload(6)
+// sstore(mul(add(b, a), mload(2)), 3)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/multi.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/multi.yul
new file mode 100644
index 00000000..fd53ca51
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/multi.yul
@@ -0,0 +1,11 @@
+{
+ let a := mload(2)
+ let b := mload(6)
+ let x := mul(add(b, a), 2)
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// sstore(mul(add(mload(6), mload(2)), 2), 3)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/multi_reference.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/multi_reference.yul
new file mode 100644
index 00000000..078a12a5
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/multi_reference.yul
@@ -0,0 +1,11 @@
+{
+ // This is not joined because a is referenced multiple times
+ let a := mload(2)
+ let b := add(a, a)
+}
+// ----
+// expressionJoiner
+// {
+// let a := mload(2)
+// let b := add(a, a)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order.yul
new file mode 100644
index 00000000..965e07e9
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order.yul
@@ -0,0 +1,15 @@
+{
+ // We have an interleaved "add" here, so we cannot inline "a"
+ // (note that this component does not analyze whether
+ // functions are pure or not)
+ let a := mload(2)
+ let b := mload(6)
+ let x := mul(a, add(2, b))
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// let a := mload(2)
+// sstore(mul(a, add(2, mload(6))), 3)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order2.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order2.yul
new file mode 100644
index 00000000..c577e182
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/multi_wrong_order2.yul
@@ -0,0 +1,12 @@
+{
+ let a := mload(2)
+ let b := mload(6)
+ let x := mul(add(a, b), 2)
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// let a := mload(2)
+// sstore(mul(add(a, mload(6)), 2), 3)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_across_blocks.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_across_blocks.yul
new file mode 100644
index 00000000..a781bb2a
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_across_blocks.yul
@@ -0,0 +1,19 @@
+{
+ // The component will remove the empty block after
+ // it has handled the outer block.
+ // The idea behind this test is that the component
+ // does not perform replacements across blocks because
+ // they usually have contents, but adding contents
+ // will reduce the scope of the test.
+ let a := mload(2)
+ let x := calldataload(a)
+ {
+ }
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// let x := calldataload(mload(2))
+// sstore(x, 3)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition1.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition1.yul
new file mode 100644
index 00000000..75218a5c
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition1.yul
@@ -0,0 +1,15 @@
+{
+ for { let b := mload(1) } b {} {}
+}
+// ----
+// expressionJoiner
+// {
+// for {
+// let b := mload(1)
+// }
+// b
+// {
+// }
+// {
+// }
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition2.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition2.yul
new file mode 100644
index 00000000..d5f7d8fa
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/no_replacement_in_loop_condition2.yul
@@ -0,0 +1,16 @@
+{
+ let a := mload(0)
+ for { } a {} {}
+}
+// ----
+// expressionJoiner
+// {
+// let a := mload(0)
+// for {
+// }
+// a
+// {
+// }
+// {
+// }
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/only_assignment.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/only_assignment.yul
new file mode 100644
index 00000000..c7411211
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/only_assignment.yul
@@ -0,0 +1,16 @@
+{
+ // This is not joined because a is referenced multiple times
+ function f(a) -> x {
+ a := mload(2)
+ x := add(a, 3)
+ }
+}
+// ----
+// expressionJoiner
+// {
+// function f(a) -> x
+// {
+// a := mload(2)
+// x := add(a, 3)
+// }
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/reassignment.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/reassignment.yul
new file mode 100644
index 00000000..1e502353
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/reassignment.yul
@@ -0,0 +1,13 @@
+{
+ // This is not joined because a is referenced multiple times
+ let a := mload(2)
+ let b := mload(a)
+ a := 4
+}
+// ----
+// expressionJoiner
+// {
+// let a := mload(2)
+// let b := mload(a)
+// a := 4
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/simple.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/simple.yul
new file mode 100644
index 00000000..b03bcf45
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/simple.yul
@@ -0,0 +1,10 @@
+{
+ let a := mload(2)
+ let x := calldataload(a)
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// sstore(calldataload(mload(2)), 3)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/single_wrong_order.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/single_wrong_order.yul
new file mode 100644
index 00000000..3b433f78
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/single_wrong_order.yul
@@ -0,0 +1,13 @@
+{
+ let a := mload(3)
+ let b := sload(a)
+ let c := mload(7)
+ let d := add(b, c)
+ sstore(d, 0)
+}
+// ----
+// expressionJoiner
+// {
+// let b := sload(mload(3))
+// sstore(add(b, mload(7)), 0)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/smoke.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/smoke.yul
new file mode 100644
index 00000000..c0e2c6f2
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/smoke.yul
@@ -0,0 +1,5 @@
+{ }
+// ----
+// expressionJoiner
+// {
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/switch_expression.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/switch_expression.yul
new file mode 100644
index 00000000..0e4e540e
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/switch_expression.yul
@@ -0,0 +1,28 @@
+{
+ let a := mload(3)
+ let b := sload(a)
+ let c := mload(7)
+ let d := add(c, b)
+ switch d
+ case 3 {
+ let x := mload(3)
+ let y := add(x, 3)
+ }
+ default {
+ sstore(1, 0)
+ }
+ let z := 3
+ let t := add(z, 9)
+}
+// ----
+// expressionJoiner
+// {
+// switch add(mload(7), sload(mload(3)))
+// case 3 {
+// let y := add(mload(3), 3)
+// }
+// default {
+// sstore(1, 0)
+// }
+// let t := add(3, 9)
+// }
diff --git a/test/libjulia/yulOptimizerTests/expressionJoiner/triple.yul b/test/libjulia/yulOptimizerTests/expressionJoiner/triple.yul
new file mode 100644
index 00000000..7b722be1
--- /dev/null
+++ b/test/libjulia/yulOptimizerTests/expressionJoiner/triple.yul
@@ -0,0 +1,12 @@
+{
+ let a := mload(2)
+ let b := mload(6)
+ let c := mload(7)
+ let x := mul(add(c, b), a)
+ sstore(x, 3)
+}
+// ----
+// expressionJoiner
+// {
+// sstore(mul(add(mload(7), mload(6)), mload(2)), 3)
+// }