if (!ArgOp->getType()->isPointerTy())
continue;
- // TODO: Use AliasAnalysis
- // AAResults& AAR = ..;
- // if(AAR.isNoAlias(&getAssociatedValue(), ArgOp))
- // return indicatePessimitisicFixpoint();
-
+ if (const Function *F = getAnchorScope()) {
+ if (AAResults *AAR = A.getInfoCache().getAAResultsForFunction(*F)) {
+ LLVM_DEBUG(dbgs()
+ << "[Attributor][NoAliasCSArg] Check alias between "
+ "callsite arguments "
+ << AAR->isNoAlias(&getAssociatedValue(), ArgOp) << " "
+ << getAssociatedValue() << " " << *ArgOp << "\n");
+
+ if (AAR->isNoAlias(&getAssociatedValue(), ArgOp))
+ continue;
+ }
+ }
return indicatePessimisticFixpoint();
}
-; RUN: opt -S -attributor -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=6 < %s | FileCheck %s
+; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=6 < %s | FileCheck %s
define dso_local i32 @visible(i32* noalias %A, i32* noalias %B) #0 {
entry:
; FIXME: Should be something like this.
; define internal i32 @noalias_args(i32* nocapture readonly %A, i32* noalias nocapture readonly %B)
-; CHECK: define internal i32 @noalias_args(i32* nocapture %A, i32* nocapture %B)
+; CHECK: define internal i32 @noalias_args(i32* nocapture %A, i32* noalias nocapture %B)
define internal i32 @noalias_args(i32* %A, i32* %B) #0 {
entry:
-; RUN: opt -S -attributor -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=5 < %s | FileCheck %s
+; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=5 < %s | FileCheck %s
; TEST 1 - negative.
; CHECK-NEXT: [[B:%.*]] = tail call noalias i8* @malloc(i64 4)
; CHECK-NEXT: tail call void @use_nocapture(i8* noalias nonnull align 4 dereferenceable(1) [[A]])
; CHECK-NEXT: tail call void @use_nocapture(i8* noalias nonnull align 4 dereferenceable(1) [[A]])
-; CHECK-NEXT: tail call void @use_nocapture(i8* noalias [[B]])
+; CHECK-NEXT: tail call void @use_nocapture(i8* noalias nocapture [[B]])
; CHECK-NEXT: tail call void @use_nocapture(i8* noalias [[B]])
; CHECK-NEXT: ret void
;
; CHECK-LABEL: @test12_2(
; CHECK-NEXT: [[A:%.*]] = tail call noalias i8* @malloc(i64 4)
; FIXME: This should be @use_nocapture(i8* noalias [[A]])
-; CHECK-NEXT: tail call void @use_nocapture(i8* [[A]])
+; CHECK-NEXT: tail call void @use_nocapture(i8* nocapture [[A]])
; FIXME: This should be @use_nocapture(i8* noalias [[A]])
; CHECK-NEXT: tail call void @use_nocapture(i8* [[A]])
; CHECK-NEXT: tail call void @use(i8* [[A]])
define void @test12_3(){
; CHECK-LABEL: @test12_3(
%A = tail call noalias i8* @malloc(i64 4)
-; CHECK: tail call void @two_args(i8* %A, i8* %A)
+; CHECK: tail call void @two_args(i8* nocapture %A, i8* %A)
tail call void @two_args(i8* %A, i8* %A)
ret void
}
%A_1 = getelementptr i8, i8* %A, i64 1
%B_0 = getelementptr i8, i8* %B, i64 0
-; FIXME: This should be @two_args(i8* noalias %A, i8* noalias %B)
-; CHECK: tail call void @two_args(i8* %A, i8* %B)
+; CHECK: tail call void @two_args(i8* noalias %A, i8* noalias %B)
tail call void @two_args(i8* %A, i8* %B)
-; CHECK: tail call void @two_args(i8* %A, i8* %A_0)
+; CHECK: tail call void @two_args(i8* %A, i8* nocapture %A_0)
tail call void @two_args(i8* %A, i8* %A_0)
; CHECK: tail call void @two_args(i8* %A, i8* %A_1)
tail call void @two_args(i8* %A, i8* %A_1)
; FIXME: This should be @two_args(i8* noalias %A_0, i8* noalias %B_0)
-; CHECK: tail call void @two_args(i8* %A_0, i8* %B_0)
+; CHECK: tail call void @two_args(i8* %A_0, i8* nocapture %B_0)
tail call void @two_args(i8* %A_0, i8* %B_0)
ret void
}