// modifying the operand is legal.
auto *IP = cast<Instruction>(WidenableBR->getCondition());
IP->moveBefore(WidenableBR);
+ if (MSSAU)
+ if (auto *MUD = MSSAU->getMemorySSA()->getMemoryAccess(IP))
+ MSSAU->moveToPlace(MUD, WidenableBR->getParent(),
+ MemorySSA::BeforeTerminator);
Rewriter.setInsertPoint(IP);
IRBuilder<> B(IP);
ret i32 %result
}
+define void @test_memssa() {
+bb:
+ %tmp = call i1 @llvm.experimental.widenable.condition()
+ %tmp1 = call i1 @llvm.experimental.widenable.condition()
+ br i1 %tmp, label %bb3, label %bb2
+
+bb2: ; preds = %bb
+ unreachable
+
+bb3: ; preds = %bb
+ br label %bb4
+
+bb4: ; preds = %bb6, %bb3
+ %tmp5 = phi i32 [ %tmp7, %bb6 ], [ 0, %bb3 ]
+ br i1 undef, label %bb10, label %bb6
+
+bb6: ; preds = %bb4
+ %tmp7 = add nuw nsw i32 %tmp5, 1
+ %tmp8 = icmp ult i32 %tmp7, undef
+ br i1 %tmp8, label %bb4, label %bb9
+
+bb9: ; preds = %bb6
+ ret void
+
+bb10: ; preds = %bb4
+ ret void
+}
+
declare void @unknown()