// Apply size attributes
bool OptForSize = L->getHeader()->getParent()->hasOptSize() ||
- llvm::shouldOptimizeForSize(L->getHeader(), PSI, BFI,
- PGSOQueryType::IRPass);
+ // Let unroll hints / pragmas take precedence over PGSO.
+ (hasUnrollTransformation(L) != TM_ForcedByUser &&
+ llvm::shouldOptimizeForSize(L->getHeader(), PSI, BFI,
+ PGSOQueryType::IRPass));
if (OptForSize) {
UP.Threshold = UP.OptSizeThreshold;
UP.PartialThreshold = UP.PartialOptSizeThreshold;
; NPGSO-NOT: phi
; NPGSO-NOT: icmp
+;///////////////////// TEST 6 //////////////////////////////
+
+; This test tests that unroll hints take precedence over PGSO and that this loop
+; gets unrolled even though it's cold.
+
+define i32 @Test6() !prof !14 {
+entry:
+ br label %for.body
+
+for.body: ; preds = %for.body, %entry
+ %i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+ %arrayidx = getelementptr inbounds [24 x i32], [24 x i32]* @tab, i32 0, i32 %i.05
+ store i32 %i.05, i32* %arrayidx, align 4
+ %inc = add nuw nsw i32 %i.05, 1
+ %exitcond = icmp eq i32 %inc, 24
+ br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !15
+
+for.end: ; preds = %for.body
+ ret i32 42
+}
+
+; PGSO-LABEL: @Test6
+; PGSO: store
+; PGSO: store
+; PGSO: store
+; PGSO: store
+; NPGSO-LABEL: @Test6
+; NPGSO: store
+; NPGSO: store
+; NPGSO: store
+; NPGSO: store
+
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"ProfileSummary", !1}
!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
!12 = !{i32 999000, i64 100, i32 1}
!13 = !{i32 999999, i64 1, i32 2}
!14 = !{!"function_entry_count", i64 0}
+!15 = !{!15, !16}
+!16 = !{!"llvm.loop.unroll.count", i32 4}