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CPP: Fix join ordering hints

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This commit is contained in:
Alex Eyers-Taylor
2024-01-22 17:40:47 +00:00
parent cda2ef4db5
commit 891d398c3f
1 changed files with 9 additions and 2 deletions
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11
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/SsaInternals.qll
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@@ -609,7 +609,10 @@ class GlobalDefImpl extends DefOrUseImpl, TGlobalDefImpl {
*/
predicate adjacentDefRead(DefOrUse defOrUse1, UseOrPhi use) {
exists(IRBlock bb1, int i1, SourceVariable v |
defOrUse1.asDefOrUse().hasIndexInBlock(bb1, i1, v)
defOrUse1
.asDefOrUse()
.hasIndexInBlock(pragma[only_bind_out](bb1), pragma[only_bind_out](i1),
pragma[only_bind_out](v))
|
exists(IRBlock bb2, int i2, DefinitionExt def |
adjacentDefReadExt(pragma[only_bind_into](def), pragma[only_bind_into](bb1),
@@ -631,7 +634,11 @@ predicate adjacentDefRead(DefOrUse defOrUse1, UseOrPhi use) {
* flows to `useOrPhi`.
*/
private predicate globalDefToUse(GlobalDef globalDef, UseOrPhi useOrPhi) {
exists(IRBlock bb1, int i1, SourceVariable v | globalDef.hasIndexInBlock(bb1, i1, v) |
exists(IRBlock bb1, int i1, SourceVariable v |
globalDef
.hasIndexInBlock(pragma[only_bind_out](bb1), pragma[only_bind_out](i1),
pragma[only_bind_out](v))
|
exists(IRBlock bb2, int i2 |
adjacentDefReadExt(_, pragma[only_bind_into](bb1), pragma[only_bind_into](i1),
pragma[only_bind_into](bb2), pragma[only_bind_into](i2)) and