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author Santiago Aboy Solanes <solanes@google.com> 2024-01-22 10:52:17 +0000
committer Santiago Aboy Solanes <solanes@google.com> 2024-01-23 10:45:15 +0000
commitb25dd2d4f93f4925551f469a9535e3abc79081a7 (patch)
treeaf2ace83cbf0ef7e0998f95b51f0750efb602630 /compiler/optimizing
parent36e0d0b0645c966398bac5e46305e5cb111b9dd4 (diff)
Fix crash when inlining intrinsics with specialized HIR
During the inliner phase if we recognize an intrinsic, we insert it. This is problematic since there are some intrinsics which we only expect during the instruction builder phase. This CL skips inlining those intrinsics. Potentially, we could generate the graphs for those intrinsics and inline it, but it needs refactoring of inliner.cc. Bug: 319045458 Fixes: 319045458 Test: art/test/testrunner/testrunner.py --host --64 --optimizing -b Test: Locally compiling the app in the bug Change-Id: Ied3ec87e5655cec3bdfd978eb5c7411ddb102360
Diffstat (limited to 'compiler/optimizing')
-rw-r--r--compiler/optimizing/graph_checker.cc9
-rw-r--r--compiler/optimizing/inliner.cc4
-rw-r--r--compiler/optimizing/intrinsics.h11
3 files changed, 15 insertions, 9 deletions
diff --git a/compiler/optimizing/graph_checker.cc b/compiler/optimizing/graph_checker.cc
index 8f2f25355d..d4b0bf2e81 100644
--- a/compiler/optimizing/graph_checker.cc
+++ b/compiler/optimizing/graph_checker.cc
@@ -739,14 +739,7 @@ void GraphChecker::VisitInvoke(HInvoke* invoke) {
// Check for intrinsics which should have been replaced by intermediate representation in the
// instruction builder.
- if (IsIntrinsicWithSpecializedHir(invoke->GetIntrinsic()) &&
- // FIXME: The inliner can currently create graphs with any of the intrinsics with HIR.
- // However, we are able to compensate for `StringCharAt` and `StringLength` in the
- // `HInstructionSimplifier`, so we're allowing these two intrinsics for now, preserving
- // the old behavior. Besides fixing the bug, we should also clean up the simplifier
- // and remove `SimplifyStringCharAt` and `SimplifyStringLength`. Bug: 319045458
- invoke->GetIntrinsic() != Intrinsics::kStringCharAt &&
- invoke->GetIntrinsic() != Intrinsics::kStringLength) {
+ if (!IsValidIntrinsicAfterBuilder(invoke->GetIntrinsic())) {
AddError(
StringPrintf("The graph contains the instrinsic %d which should have been replaced in the "
"instruction builder: %s:%d in block %d.",
diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index e0bf028138..16abf0b0de 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -1543,7 +1543,9 @@ bool HInliner::TryBuildAndInline(HInvoke* invoke_instruction,
bool is_speculative) {
// If invoke_instruction is devirtualized to a different method, give intrinsics
// another chance before we try to inline it.
- if (invoke_instruction->GetResolvedMethod() != method && method->IsIntrinsic()) {
+ if (invoke_instruction->GetResolvedMethod() != method &&
+ method->IsIntrinsic() &&
+ IsValidIntrinsicAfterBuilder(static_cast<Intrinsics>(method->GetIntrinsic()))) {
MaybeRecordStat(stats_, MethodCompilationStat::kIntrinsicRecognized);
// For simplicity, always create a new instruction to replace the existing
// invoke.
diff --git a/compiler/optimizing/intrinsics.h b/compiler/optimizing/intrinsics.h
index d14d264204..0a431b8aa8 100644
--- a/compiler/optimizing/intrinsics.h
+++ b/compiler/optimizing/intrinsics.h
@@ -177,6 +177,17 @@ static inline bool IsIntrinsicWithSpecializedHir(Intrinsics intrinsic) {
}
}
+static inline bool IsValidIntrinsicAfterBuilder(Intrinsics intrinsic) {
+ return !IsIntrinsicWithSpecializedHir(intrinsic) ||
+ // FIXME: The inliner can currently create graphs with any of the intrinsics with HIR.
+ // However, we are able to compensate for `StringCharAt` and `StringLength` in the
+ // `HInstructionSimplifier`, so we're allowing these two intrinsics for now, preserving
+ // the old behavior. Besides fixing the bug, we should also clean up the simplifier
+ // and remove `SimplifyStringCharAt` and `SimplifyStringLength`. Bug: 319045458
+ intrinsic == Intrinsics::kStringCharAt ||
+ intrinsic == Intrinsics::kStringLength;
+}
+
#define GENERIC_OPTIMIZATION(name, bit) \
public: \
void Set##name() { SetBit(k##name); } \