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transform/rtcalls: Bail fast if can't convert pointer

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There's no need to keep looping if one of the uses makes it impossible
to convert a call to `runtime.stringToBytes()` with a raw pointer.

Signed-off-by: L. Pereira <l.pereira@fastly.com>
This commit is contained in:
L. Pereira
2024-06-07 21:44:58 -07:00
committed by Ayke
parent ae6220262a
commit ad6c89bf64
1 changed files with 2 additions and 2 deletions
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transform/rtcalls.go
+2 -2
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@@ -34,7 +34,7 @@ func OptimizeStringToBytes(mod llvm.Module) {
if use.IsAExtractValueInst().IsNil() { if use.IsAExtractValueInst().IsNil() {
// Expected an extractvalue, but this is something else. // Expected an extractvalue, but this is something else.
canConvertPointer = false canConvertPointer = false
continue break
} }
switch use.Type().TypeKind() { switch use.Type().TypeKind() {
case llvm.IntegerTypeKind: case llvm.IntegerTypeKind:
@@ -49,7 +49,7 @@ func OptimizeStringToBytes(mod llvm.Module) {
// There is a store to the byte slice. This means that none // There is a store to the byte slice. This means that none
// of the pointer uses can't be propagated. // of the pointer uses can't be propagated.
canConvertPointer = false canConvertPointer = false
continue break
} }
// It may be that the pointer value can be propagated, if all of // It may be that the pointer value can be propagated, if all of
// the pointer uses are readonly. // the pointer uses are readonly.